Meine Erfahrungen mit Xiphophorus-Zuchtformen

Xiphophorus Literature List 2018 03 Kees de Jong

Mit freundlicher Genehmigung von Kees de Jong: Literaturliste zur Gattung Xiphophorus

Xiphophorus alle

(1994): Zwaarddragers negeren evolutietheorie. Poecilia Nieuws (5): 100-100

B. Allen (2003): The Xiphophorus genetic stock center. Livebearers (176): 4-11

J. Altschmied, L. Ditzel & M. Schartl (1997): Hypomethylation of the Xmrk oncogene promoter in melanoma cells of Xiphophorus. Biol. Chem. (378): 1457-1466

J.W. Atz (1962): Effects on hybridization on pigementation in fishes of the genus Xiphophorus. Zoologica (4): 153-181

H. Auer (2003): Myron Gordon und die Geschichte der genetischen Erforschung der Schwertträger. DGLZ-Rundschau (2): 41-45

H. Auer (2004): Von fastenden Kojoten und großen Ichtyologen - Kleine Namenskunde bei den Schwertträgern. DGLZ-Rundschau (1): 14-18

A. Bartsch (1963): Plaatjes. Het Aquarium (6): 138-141

A.L. Basolo (1996): The phylogenetic distribution of a female preference. Systematic biology (3): 290-307

C. Cheswright (1994): Down Mexico way. Viviparous (26): 0-9

C. Cheswright (2004): An A-Z of Xiphophorus. Livebearer News (7): 7-14

R. Cui et al (2013): Phylogenomics reveals extensive reticulate evolution in Xiphophorus fishes. Evolution (8): 2166-2179

Z.W. Culumber & M. Tobler (2016): Ecological divergence and conservatism: spatiotemporal patterns of niche evolution in a genus of livebearing fishes (Poeciliidae: Xiphophorus). BMC Evolutionary Biology (): 1-16

J. Delfgaauw et al. (2003): MITF-M plays an essential role in transcriptional activation and signal transduction in Xiphophorus melanoma. Gene (320): 117-126

W.J.M. Deutz (1955): Zwaarddragers. Waterweelde (10): 173-175

V. Diekmann (2007): Anmerkungen zur Artenvielfalt in der DGLZ. DGLZ-Rundschau (1): 15-19

V. Diekmann (2007): Eine kurze Übersicht über die Gattung Xiphophorus. DGLZ-Rundschau (2): 52-56

V. Diekmann (2008): Systematiek van en soortgroepen binnen het genus Xiphophorus. Poecilia Nieuws (2): 10-14

D. Franck (1968): Weitere Untersuchungen zur vergleichenden Ethologie der Gattung Xiphophorus (Pisces). Behaviour (1): 76-95

B. Friedman & M. Gordon (1934): Chromosome numbers in Xiphophorin fishes. The American Naturalist (718): 446-455

A. Gómez et al (2004): Identification of a second egfr gene in Xiphophorus uncovers an expansion of the epidermal growth factor receptor family in fish. Mol. Biol. Evol (21): 266-275

M. Gordon (1997): What does the "gravid spot" mean?. Livebearers (149): 24-26

M.D. Green, M.G.P. van Veller & D.R. Brooks (2002): Assessing modes of speciation: range asymmetry and biogeographical congruence. Cladistics (18): 112-124

S.S. Greenberg & M.J. Kopac (1965): Electrophoretic studies of Xiphophorin fishes and their melanoma-bearing hybrids. Physiological Zoology (2): 149-157

R.C. Griffiths (1987): Those amazing swords Part I. Livebearers (93): 12-14

T. Hayes (1974): Look (or perhaps we shoud say think) before crossing. Livebearers (16): 15-16

W. Heinrich & J.H. Schröder (1986): Tentative findings on the phylogenetic relationship within the genus Xiphophorus with regard to the frequency distribution of sexual behavior patterns. Ber. nat. - med. Verein Innsbruck (73): 187-197

H. Hieronimus (1994): Xiphophorus-Genetik, Teil II. DGLZ-Rundschau (4): 88-90

H. Hieronimus (1994): Xiphophorus-Genetik, Teil I. DGLZ-Rundschau (3): 64-66

H. Hieronimus (1996): De kleine zwaarddragers. Poecilia Nieuws (3): 48-51

H. Hieronimus (2013): Neues bei Xiphophorus - Genetische Untersuchungen der Verwandschaftsbeziehungen. DGLZ-Rundschau (1): 5-7

J. Hyoun Kang et al (2013): Comprohensive phylogenetic analysis of all species of swordtails and platies uncovers a hybrid origin of a swordtail fish,Xiphophorus monticolus, and demonstrates that the sexually selected sword originated in the

D. Isla (1991): Livebearer interview: Dr. Klaus Kallman. Livebearers (115): 7-10

K. Jacobs (1976): Die Neugliderung der Gattung Xiphophorus. Das Aquarium (5): 194-195

J.C. Jones et al (2013): The evolutionary history of Xiphophorus fish and their sexually selected sword: a genome-wide approach using restriction site-associated DNA sequencing. Molecular Ecology (22): 2986-3001

K. de Jong (2005): De platy's. Poecilia Nieuws (3): 3-7

K. de Jong (2005): Die Schwertträger-Wildformen für jeden Aquarianer interessant. Das Lebendgebärenden Magazin (1&2): 23-33

K. D. Kallman (): The Platyfish, Xiphophorus maculatus. handbook of genetics (4): 81-132

K. D. Kallman (2001): How the Xiphophorus problem arrived in San Marcos, Texas. Mar. Biotechnol. (3): 6-16

K.D. Kallman & S. Kazianis (2006): The genus Xiphophorus in Mexico and Central America. Zebrafish (3): 271-285

J.H. Kang et al (2013): Comprehensive phylogenetic analysis of all species of swordtails and platies uncovers a hybrid origin of a swordtail fish, Xiphophorus monticolus, and demonstrates that the sexually selected sword originated in the

S. Kazianis (2006): Historical, present, and future use of Xiphophorus fishes for research. Zebrafish (1): 9-10

M. Köck (2012): Het geslacht Xiphophorus. Poecilia Nieuws (3): 11-27

D. Lambert (0): The Panuco bassin swordtails. Viviparous (13): 0-

D. Lambert (1990): The wild platies and swordtails. Livebearers (114): 3-7

D. Lambert (2004): The wild platies and swordtails. Livebearers (183): 19-24

J.K. Langhammer (1991): Changes in the names of swordtails. Livebearers (115): 11-12

J.K. Langhammer (1997): Additional thought on gravid spots. Livebearers (149): 26-27

F. Liberge (2013): S'initier au jugement des XMP. Le Vivipare (118): 22-30

P.J. Lockhart, D. Penny & A. Meyer (1995): Testing the phylogeny of swordtail fishes using split decomposition and spectral analysis. J. Mol. Evol. (41): 666-674

B. Malitschek, Wittbrodt, Fischer, Lammers, Ullrich & Schartl (1994): Autocrine stimulation of Xmrk receptor tyrosine kinase in Xiphophorus melanoma cells and identification of a source for the physological ligand. Journal of Biological

J. Mangan (1997): The truth about Hi-fin Xiphophorus genetics. Livebearers (145): 19-22

J.M. Marcus & A.R. McCune (1999): Ontongeny and phylogeny in the Northern swordtail clade of Xiphophorus. Systematic biology (3): 491-522

D.E. Mefford (1997): How does hi-fin and plumetail work?. Livebearers (147): 19-19

M.K. Meyer (1993): Schwertträger. Aqua geographica (4): 82-85

A. Meyer et al (1994): Recurrent origin of a sexually selected trait in Xiphophorus fishes inferred from a molecular phylogeny. Nature (368): 539-542

A. Meyer, W. Salzburger & M Schartl (2006): Hybrid origin of a swordtail species (Teleostei: Xiphophorus clemenciae) driven by sexual selection. Molecular Ecology (j.1365-294X.2006.02810.x): 1-10

D. Mitchell et al (2014): Interspecific variation in the repair of UV damaged DNA in the genus Xiphophorus as a factor in the decline of the Río Grande platyfish. Photochemistry and Photobiology (): -

D.C. Morizot et al (1991): Genetic linkage map of fishes of the genus Xiphophorus. Genetics (127): 399-410

N. Offen, N. Blum, A. Meyer & G. Begemann (2008): Fgfr I signalling in the development of a sexually selected trait in vertebrates, the sword of swordtail fish. BMC Developmental Biology (98): 1-18

K. Pfand (1977): V. DDR Xipho-Schau in Sömmerda. Aquarien Terrarien (6): 194-194

F.N. Poeser (1996): Erfelijkheid en geslachtsbepaling. Poecilia Nieuws (6): 147-151

A. Pomiankowski (1994): Swordplay and sensory bias. Nature (368): 494-495

B. Poßeckert (1994): Bewertungsrichtlinie Wildformen - Standard Zuchtformen (Xiphophorus). DGLZ-Rundschau (Sonderheft): 1-32

A.C. Radda (1980): Synopsis der Gattung Xiphophorus Heckel. Aquaria (27): 39-44

C.M. Rodriguez (1997): Phylogenetic analysis of the tribe poeciliini. Copeia (4): 663-679

D.E. Rosen (1960): Middle-American Poeciliid Fishes of the genus Xiphophorus. Bulletin of the Florida State Museum (4): 58-243

D.E. Rosen (1979): Fishes from the uplands and intermontane basins of Guatemala: Revisionary Studies and Comparative Geography. Bulletin American Museum of Natural History (162): 268-375

D.E. Rosen & K.D. Kallman (1969): A new fish of the genus Xiphophorus from Guatemala, with remarks on the Taxonomy of Endemic Forms. American Museum Novitates (2379): 1-29

G.G. Rosenthal (2010): Swordtails and platyfishes. in: Breed & More (eds) Encyclopedia of Animal Behavior (3): 363-367

G.G. Rosenthal & F.J. García de León (2006): Sexual Behavior, Genes, and Evolution in Xiphophorus. Zebrafish (1): 85-90

G. Salgado-Maldonado (2004): Helminth parasites of freshwater fishes of the Pánuco river basin. Comp. Parasitol. (2): 190-202

A. Savastio (1988): Hybridization between swordtails and platies. Livebearers (102): 3-4

M. Schart et al (1998): Triplet repeat variability in the signal peptide sequence of the Xmrk receptor tyrosine kinase gene in Xiphophorus fish. Gene (224): 17-21

A. Seidel & H. Seidel (1988): Die Geschichte der Schwertträger Teil I: Xiphophorus oder Platypoecilus: das ist hier die Frage. Das Aquarium (März): 36-42

A. Seidel & H. Seidel (1988): Die Geschichte der Schwertträger Teil II "Art oder Unterart, das ist hier die Frage". Das Aquarium (Mai): 280-283

R. Serva (2006): Identifying the wild swordtails. Genus Xiphophorus. Tropical Fish Hobbyist (april): 98-110

I. Sinclair (2004): The parable of the six loafers and two small fishes. Livebearer News (7): 17-21

D. Speirs (1991): Swordtail evolution. Livebearers (119): 14-15

V. Tribius (1990): Schwertträger unteridisch. DGLZ-Rundschau (3): 4-12

J.R. Vielkind, K.D. Kallman & D.C. Morizot (1989): Genetics of Melanomas in Xiphophorus fishes. Journal of Aquatic Animal Health (1): 69-77

W. Voigt (2002): "Spiegelkärpflinge" Eine Monographie von Dr. Myron Gordon. Das Aquarium (11): 31-33

J.-N. Volff & M. Schartl (2004): Hautkrebs bei Fischen: ein Tumorgen und die Folgen. DGLZ-Rundschau (4): 97-99

R.B. Walter & S. Kazianis (2001): Xiphophorus interspecies hybrids as genetic models of inducec neoplasia. ILAR Journal (4): 299-321

S. Weis & M. Schartl (1998): The macromelanophore locus and the melanoma oncogene Xmrk are separate genetic entities in the genome of Xiphophorus. Genetics (149): 1909-1920

J.J. Wiens & M.R. Morris (1996): Character definitions, sexual selection, and the evolution of swordtails. American Naturalist (5): 866-869

C. Winkler, Wittbrodt, Lammers, Ullricht & Schartl (1994): Ligand-dependent tumor induction in medakafish embryos by Xmrk receptor tyrosine kinase transgene. oncogene (9): 1517-1525

L. Wischnath (1997): Xiphophorus Les formes sauvage. Aquarama (156): 12-19

C.D. Zander (1967): Ökologische und morphologische Beiträge zur Systematik und geographischen Verbreitung der Gattung Xiphophorus. Mitt. Hamburg. Zool. Mus. Inst. (64): 37-125

C.D. Zander (1975): Genetische Merkmalsanalyse als Hilfmittel bei der Taxonomie der Zahnkarpfen-Gattung Xiphophorus. Z. zool. Syst. Evolut.-forsch. (13): 63-78

H. Zauner, G. Begemann, M. Marì-Beffa & A. Meyer (2003): Differential regulation of msx genes in the development of the gonopodium, an intromittent organ, and of the "sword", a sexually selected trait of swordtail fishes (Xiphophorus).

Xiphophorus alvarezi Rosen, 1960

H. Auer (2012): Von fastende Koyoten und großen Ichthyologen - Keine Namenskunde von den Schwertträgern. Das Lebendgebärenden Magazin (1): 22-25

T. Coletti (2010): Livebearer unlimited The southern swordtails. Tropical Fish Hobbyist (Feb): 32-34

G. Daul (1995): Der blaue Schwertträger. DATZ (3): 197-197

D. Hughes-Phillips (2010): Guatemala trip 2007. Livebearers (209): 28-41

K. D. Kallman (1989): Genetic Control of Size at Maturity in Xiphophorus. Ecology & Evolution of Livebearing Fishes (Poeciliidae) (): 163-184

K.D. Kallman & I.Y. Bao (1987): Female heterogamety in the swordtail, Xiphophorus alvarezi Rosen (Pisces, Poeciliidae), with comments on a natural polymorphism affecting sword coloration. Journal of Experimental Zoology (243): 93-102

M. Köck (2012): Mit und ohne Schwert: Die Gattung Xiphophorus Teil 1: Die SüdlichenSchwertträger. Das Lebendgebärenden Magazin (1): 12-21

M. Köck (2012): Het geslacht Xiphophorus. Poecilia Nieuws (3): 11-27

M. de Lourdes Lozano Vilano & S. Contreras Balderas (1987): Lista zoogeografica y ecologica de la ictiofauna continental de Chiapas, Mexico. The Southwestern Naturalist (2): 223-236

L. van der Meer (2007): Xiphophorus alvarezi Rosen, 1960. Poecilia Nieuws (1): 29-31

M.K. Meyer (1996): Schwertträger Xiphophorus helleri- und X. nigrensis-Komplex. Das Aquarium (329): 14-17

C.E. Oufiero, K. Jugo & T. Garland jr (2014): Swimming with a sword: tail beat kinematics in relation to sword length in Xiphophorus. Functional Ecology (): -

A.C. Radda (1982): Synopsis der Gattung Xiphophorus Heckel. DGLZ-Rundschau (2): 25-30

D.E. Rosen (1960): Middle-American Poeciliid Fishes of the genus Xiphophorus. Bulletin of the Florida State Museum (4): 58-243

R. Serva (2005): The Genus Xiphophorus Part 1, the Swordtails. Livebearers (184): 4-25

L. Wischnath (1982): Nieuwe zwaarddragers uit Mexico. TI'H (29): 41-42

L. Wischnath (1982): Op zoek naar Priapella compressa en Xiphophorus alvarezi. Het Aquarium (11): 313-315

L. Wischnath (1982): Naar Mexico, het land van de levendbarenden. TI'H (29): 39-41

L. Wischnath (1983): Trichocoronis rivularis, Gray. Een nieuwe aquariumplant. Het Aquarium (3): 76-78

L. Wischnath (1995): Zwaarddrager wildvormen, deel 2. Het Aquarium (12): 290-293

L. Wischnath & M. Meyer (1985): Xiphophorus-Natur-Hybriden. DGLZ-Rundschau (1): 15-17

Xiphophorus andersi Meyer & Schartl, 1980

H. Auer (2012): Von fastende Koyoten und großen Ichthyologen - Keine Namenskunde von den Schwertträgern. Das Lebendgebärenden Magazin (1): 22-25

D. Gentzsch (1989): Ergänzende Hinweise zum Erstimport des Gelben Schwertschwanzplatys Xiphophorus andersi nach Europa. ZAG Lebendgebärende Zahnkarpfen (4): 12-12

K. de Jong (1988): Xiphophorus andersi, met uitsterven bedreigd; het Atoyac zwaardplaatje. Poecilia Nieuws (2): 25-26

K. de Jong (1989): Xiphophorus andersi, vom aussterben bedroht. ZAG Lebendgebärende Zahnkarpfen (4): 11-12

K. de Jong (1992): Hoe lang nog?. Picasso onder water (): 0-

K. de Jong (1996): Een nieuwe aanpak. Poecilia Nieuws (2): 26-29

K. de Jong (1999): Het Atoyac zwaardplaty (Xiphophorus andersi, Meyer & Schartl 1979). Poecilia Nieuws (3): 55-61

K. de Jong (2001): De Atoyac zwaardplaty Xiphophorus andersi. Het Aquarium (6): 214-216

K. de Jong (2004): Der Atoyac Schwertplaty (Xiphophorus andersi, Meyer & Schartl 1979). Das Lebendgebärenden Magazin (2): 8-14

K. de Jong (2005): Xiphophorus andersi Meyer & Schartl, 1980. Poecilia Nieuws (3): 13-16

K. D. Kallman (1989): Genetic Control of Size at Maturity in Xiphophorus. Ecology & Evolution of Livebearing Fishes (Poeciliidae) (): 163-184

M. Köck (2006): Lebendgebärende in Zoologische Gärten VIII: Das Mexiko-Haus im Tiergarten Schönbrunn im Wien. DGLZ-Rundschau (3): 98-102

M. Köck (2013): Mit und ohne Schwert: Die Gattung Xiphophorus Teil 3: Die Platys. Das Lebendgebärenden Magazin (2): 9-20

M. Köck (2014): Met en zonder zwaard: Het geslacht Xiphophorus deel 3 de platy's. Poecilia Nieuws (3): 21-41

J.K. Langhammer (1999): New Phylogenetic relationships proposed for Xiphophorine species. Livebearers (155): 27-28

E. Marcisz (1986): The goldburst platy - an F1 hybrid. Livebearers (91): 3-4

M.K. Meyer & M. Schartl (1980): Eine neue Xiphophorus-Art aus Vera Cruz, Mexiko. Senckenbergiana biol. (60): 147-151

M.K. Meyer & M. Schartl (1981): Eine neue Xiphophorus-Art aus Vera Cruz, Mexiko. DGLZ-Rundschau (3): 34-38

W. Noack (1980): Op zoek naar nieuwe vissoorten. TI'H (23): 28-29

H. Obregón-Barboza, S. Contreras-Balderas & M. Lozano-Vilano (1994): The fishes of northern and central Veracruz, Mexico. Hydrobiologica (286): 79-95

A.C. Radda (1982): Synopsis der Gattung Xiphophorus Heckel. DGLZ-Rundschau (2): 25-30

A. Savastio (1985): A cross between a wild & domestic swordtail. Livebearers (82): 7-7

R. Serva & G. Tash (1997): In sort of the "wild" red swordtail (amongst other things). Viviparous (39): 0-

S. Teutloff (1989): Auch ein Schwertschwansplaty.... ZAG Lebendgebärende Zahnkarpfen (2): 1-3

R.B. Walter et al (2004): A microsatellite genetic linkage map for Xiphophorus. Genetics (168): 363-372

A. Weissenbacher (2009): Erhaltungszucht von Fischen im Tiergarten Schönbrunn. Aquaristik Fachmagazin (6): 8-13

L. Wischnath (0): Le Rio Atoyac au Mexique, le berceau de raretés aquariophiles. Aquarama (): 11-15

L. Wischnath (1980): Een nieuwe zwaardplaty uit Mexico. TI'H (23): 28-28

L. Wischnath (1981): Naar Mexico, het land van de levendbarende vissen. TI'H (24): 35-37

L. Wischnath (1982): Naar Mexico, het land van de levendbarenden. TI'H (29): 39-41

L. Wischnath (1996): Wildvormen van het geslacht Xiphophorus deel 3 - platy's. Het Aquarium (1): 7-9

Xiphophorus bastaard

M. Hellweg (2014): Mike's fishrooom The hybrid menace: stirring the pot. Livebearers (224): 16-17

Xiphophorus birchmanni Lechner & Radda, 1987

M. Ah-King & P.A. Gowaty (2016): A conceptual review of mate choice: stochastic demography, within-sex phenotypic plasticity, and individual flexibility. Ecology and Evolution (14): 4607-4642

H. Auer (2012): Von fastende Koyoten und großen Ichthyologen - Keine Namenskunde von den Schwertträgern. Das Lebendgebärenden Magazin (1): 22-25

K. Boulton et al (2015): How integrated are behavioral and endocrine stress response traits? A repeated measures approach to testing the stress-coping style model. Ecology and Evolution (3): 618-633

K. Boulton et al (2016): Sex-specific plasticity and genotype x sex interactions for age and size of maturity in the sheepshead swordtail, Xiphophorus birchmanni. J. Evol. Biol. (29): 645-656

C. Cheswright (0): A Christmas trip to Mexico. Viviparous (42): 0-

S.W. Coleman & G. G. Rosenthal (2006): Swordtail fry attend to chemical and visual cues in detecting predators and conspecifics. Plos1ne (1): 1-4

S.W. Coleman et al (2009): A field-study of inducible molecular defenses, ultraviolet radiation, and melanomagenesis in natural Xiphophorus hybrids. Environmental Biology of Fishes (86): 279-284

T. Coletti (2010): Livebearers unlimited The northern mountain swordtails. Tropical Fish Hobbyist (March): 32-35

Z. Culumber (2013): Aquarium science: Variation in wild swordtails. Tropical Fish Hobbyist (5): 64-68

Z. Culumber (2014): Pigmentation in Xiphophorus: an emerging system in ecological and evolutionary genetics. Zebrafish (1): 57-70

Z. Culumber (2018): Impact of environmental change on wild livebearer populations. Livebearers (237): 9-15

Z.W. Culumber & G.G. Rosenthal (2013): Population-level mating patterns and fluctuating asymmetry in swordtail hybrids. Naturwissenschaften (100): 801-804

Z.W. Culumber et al (2010): Replicated hybrid zones of Xiphophorus swordtails along an elevational gradient. Molecular Ecology (20): 342-356

Z.W. Culumber et al (2012): Physiological adaptation along environmental gradients and replicated hybrid zone structure in swordtails (Teleostei: Xiphophorus). Journal of Evolution Biology (25): 1800-1814

Z.W. Culumber, O.M. Ochoa & G.G. Rosenthal (2014): Assortative mating and the maintenance of population structure in a natural hybrid zone. American Naturalist (2): 225-232

N. Dokoupil (1997): Ein Schwertträger ohne Schwert. DATZ (1): 35-37

R.L. Earley (2006): Xiphophorus: carving a niche towards a broader understanding of aggression and dominance. Zebrafish (3): 287-298

H.S. Fisher & G.G. Rosenthal (2006): Female swordtail fish use chemical cues to select well-fed males. Anim. Behav. (72): 721-725

H.S. Fisher & G.G. Rosenthal (2006): Hungry females show stronger mating preferences. Behavioral Ecology (17): 979-981

H.S. Fisher & G.G. Rosenthal (2007): Male swordtails court with an audience in mind. Biol. Lett. (3): 5-7

H.S. Fisher & G.G. Rosenthal (2009): Relative abundance of Xiphophorus fishes and its effect on sexual communication. Ethology (116): 32-38

H.S. Fisher & G.G. Rosenthal (2010): Relative abundance of Xiphophorus fishes and its effect on sexual communication. Ethology (116): 32-38

H.S. Fisher, B.B.M. Wong & G.G. Rosenthal (2006): Alteration of the chemical environment disrupts communication in a freshwater fish. Proc. R. Soc. Lond. (273): 1187-1193

H.S. Fisher, S.J. Mascuch & G.G. Rosenthal (2009): Multivariate male traits misalign with multivariate female preferences in the swordtail fish, Xiphophorus birchmanni. Animal Behaviour (78): 265-269

C. Gutiérrez-Rodríguez, A. Shearer, M. Morris & K. de Queiroz (2008): Phylogeography and monophyly of the swordtail fish species Xiphophorus birchmanni. Zoologica Scripta (37): 129-139

D. Harper (2014): Swordtail discoveries. Popular Fishkeeping (Summer): 71-71

H. Hieronimus (1989): Noch rar in Aquarien: Xiphophorus birchmanni. DATZ (9): 522-523

H. Hieronimus (1992): Die kleinen Schwertträger. DGLZ-Rundschau (1): 8-10

H. Hieronimus (2007): Neues zu Xiphophorus cortezi. DGLZ-Rundschau (4): 103-105

J.B. Johnson, D.C. Macedo, C.N. Passow & G. Rosenthal (2014): Sexual ornaments, body morphology, and swimming performance in naturally hybridizing swordtails (Teleostei: Xiphophorus). Plos1ne (10): 1-10

K. de Jong (1988): Revisie van de Xiphophorus montezumae/cortezi groep en beschrijving van een nieuwe ondersoort. Poecilia Nieuws (6): 83-86

K. de Jong (2003): Op zoek naar zwaarddragers in Mexico 2002. Poecilia Nieuws (4): 54-68

K. de Jong (2003): Auf der Suche nach den Schwertträgern, Mexiko 2002 (Teil 1). Das Lebendgebärenden Magazin (3/4): 53-67

K. de Jong (2008): De smaak van water. Poecilia Nieuws (2): 19-20

K. de Jong (2018): Xiphophorus birchmanni Lechner & Radda, 1987. Poecilia Nieuws Atlas (): -

K. de Jong (2018): De smaak van water. Het Aquarium (1): 49-49

H.K. Kindsvater, G.G. Rosenthal & S.H. Alonzo (2012): Maternal size and age shape offspring size in a live-bearing fish, Xiphophorus birchmanni. Plos1ne (11): 1-8

H.K. Kindsvater, S.E. Simpson, G.G. Rosenthal & S.H. Alonzo (2013): Male diet, female experience, and female size influence maternal investment in swordtails. Behavioral Ecology (3): 691-697

M. Köck (2012): Mit und ohne Schwert; Die Gattung Xiphophorus Teil 2: Die Nördlichen Schwertträger. Das Lebendgebärenden Magazin (2): 12-25

M. Köck (2013): Het geslacht Xiphophorus Deel 2 De noordelijke zwaarddragers. Poecilia Nieuws (5): 8-26

D. Lambert (0): Xiphophorus birchmanni. Viviparous (38): 0-

D. Lambert (1996): The search for Skiffia francesae The Aquarian Expedition 1996. Tropical Fish Hobbyist (november): 118-133

P. Lechner & A.C. Radda (1988): Revision des Xiphophorus montezumae/cortezi-Komplexes und Neubeschreibung einer Subspezies. DGLZ-Rundschau (2): 4-11

L. van der Meer (2008): Xiphophorus birchmanni. Poecilia Nieuws (3): 20-21

M.K. Meyer (1988): Mexiko 1987, (Teil 2). DGLZ-Rundschau (3): 4-11

J. de Moree (2005): Xiphophorus birchmanni en malinche. Poecilia Nieuws (2): 8-10

M.R. Morris & K. Casey (2001): Phylogenetic relationships among populations of norther swordtails (Xiphophorus) as inferred from allozyme data. Copeia (1): 65-81

M.R. Morris, M. S. Tudor & N.S. Dubois (2007): Sexually selected signal attracted females before deterring aggression in rival males. Anim. Behav. (74): 1189-1197

H. Obregón-Barboza, S. Contreras-Balderas & M. Lozano-Vilano (1994): The fishes of northern and central Veracruz, Mexico. Hydrobiologica (286): 79-95

G.G. Rosenthal et al (2003): Dissolution of sexual signal complexes in a hybrid zone between the swordtails Xiphophorus birchmanni and Xiphophorus malinche. Copeia (2): 299-307

G.G. Rosenthal et al (2011): Tactical release of a sexually-selected pheromone in a swordtail fish. Plos1ne (2): 1-5

R. Serva (2005): The Genus Xiphophorus Part 1, the Swordtails. Livebearers (184): 4-25

R. Serva (2007): Back to Calnali or My trip to Centro de Investigación Científica de las Huastecas "Aguazarca" Calnali, Hidalgo, México (CICHAZ). Livebearers (196): 18-23

R. Serva (2010): Back to Calnali or My trip to Centro de Investigación de las Huastecas "Aguazarca"Calnali, Hidalgo, México (CICHAZ). Livebearer News (30): 38-42

R. Serva & G. Tash (1998): Collecting sheepshead and highland swordtails (Xiphophorus birchmanni and Xiphophorus malinche) in the Rio Calnali. Livebearers (152): 14-18

K.W. Trochu (2015): Going wild four times over. Livebearers (229): 8-11

E. Wiedermann (2015): Swimming in blue genes. Visiting Gil Rosenthal. Livebearers (228): 22-23

P.M. Willis, G.G. Rosenthal & M.J. Ryan (2012): An indirect cue of predation risk counteracts female preference for conspecifics in a naturally hybridizing fish Xiphophorus birchmanni. Plos1ne (4): 1-5

P.M. Willis, M.J. Ryan & G.G. Rosenthal (2011): Encounter rates with conspecific males influence female mate choice in a naturally hybridizing fish. Behavioral Ecology (22): 1234-1240

L. Wischnath (1995): Zwaarddrager wildvormen, deel 2. Het Aquarium (12): 290-293

B.B.M. Wong & G.G. Rosenthal (2005): Shoal choice in swordtails when preferences conflict. Ethology (111): 179-186

B.B.M. Wong & G.G. Rosenthal (2006): Female disdain for swords in a swordtail fish. The American Naturalist (1): 136-140

B.M. Wong, H.S. Fisher & G.G. Rosenthal (2005): Species recognition by male swordtails via chemical cues. Behavioral Ecology (april): 818-822

Xiphophorus clemenciae Alvarez, 1959

J. Alvarez (1959): Nuevas especies de Xiphophorus e Hyporamphus procedentes del Rio Coatzacoalcos. Ciencia (19): 69-73

H. Auer (2012): Von fastende Koyoten und großen Ichthyologen - Keine Namenskunde von den Schwertträgern. Das Lebendgebärenden Magazin (1): 22-25

R. Borowsky (1978): The tailspot polymorphism of Xiphophorus (Pisces: Poeciliidae). Evolution (4): 886-893

T. Coletti (2010): Livebearer unlimited The southern swordtails. Tropical Fish Hobbyist (Feb): 32-34

K. Heller & T. Rehbeck (1996): Zuchtversuch mit Xiphophorus clemenciae "Rio Sarabia, Oaxaca, Mexiko". DGLZ-Rundschau (2): 35-36

H. Hieronimus (2013): Neues bei Xiphophorus - Genetische Untersuchungen der Verwandschaftsbeziehungen. DGLZ-Rundschau (1): 5-7

K. de Jong (1997): Een fraaie kleine zwaarddrager, Xiphophorus clemenciae Alvarez, 1959. Poecilia Nieuws (5): 84-89

K. de Jong (1999): Een fraaie kleine zwaarddrager Xiphophorus clemenciae Alvarez, 1959. Het Aquarium (2): 33-37

K. de Jong (2004): De zwaarddrager wildvormen voor iedere aquariaan interessant. Poecilia Nieuws (4): 8-16

K. D. Kallman (1991): Xiphophorus clemenciae is not an endangered species. Livebearers (116): 5-8

K. D. Kallman (1992): Xiphophorus clemenciae ist keine gefährdete Art!. DGLZ-Rundschau (1): 4-7

K.D. Kallman et al (2004): Two new species of Xiphophorus from the Isthmus of Tehuantepec, Oaxaca, Mexico, with a discussion of the distribution of the X. clemenciae clade. American Museum Novitates (3441): 1-34

M. Köck (2012): Mit und ohne Schwert: Die Gattung Xiphophorus Teil 1: Die SüdlichenSchwertträger. Das Lebendgebärenden Magazin (1): 12-21

M. Köck (2012): Het geslacht Xiphophorus. Poecilia Nieuws (3): 11-27

D. Lambert (0): Xiphophorus clemenciae Alvarez, 1959. Viviparous (25): 0-3

D. Lambert (1995): The livebearer world X. clemenciae. Tropical Fish Hobbyist (10): 147-150

J.K. Langhammer (1999): New Phylogenetic relationships proposed for Xiphophorine species. Livebearers (155): 27-28

J. Mallet (2007): Hybrid speciation. Nature (March): 279-283

M.K. Meyer (1996): Schwertträger Xiphophorus helleri- und X. nigrensis-Komplex. Das Aquarium (329): 14-17

A. Meyer, W. Salzburger & M Schartl (2006): Hybrid origin of a swordtail species (Teleostei: Xiphophorus clemenciae) driven by sexual selection. Molecular Ecology (j.1365-294X.2006.02810.x): 1-10

C.E. Oufiero, K. Jugo & T. Garland jr (2014): Swimming with a sword: tail beat kinematics in relation to sword length in Xiphophorus. Functional Ecology (): -

A.C. Radda (1982): Synopsis der Gattung Xiphophorus Heckel. DGLZ-Rundschau (2): 25-30

M. Schumer et al (2012): An evaluation of the hybrid speciation hybrid hypothesis for Xiphophorus clemenciae based on whole genome sequences. Evolution (4): 1155-1168

R. Serva (2005): The Genus Xiphophorus Part 1, the Swordtails. Livebearers (184): 4-25

E. Velázquez-Velázquez et al (2016): Checklist of the continental fishes of the state of Chiapas, Mexico and their distribution. ZooKeys (632): 99-120

L. Wischnath (1982): Naar Mexico, het land van de levendbarenden. TI'H (29): 39-41

L. Wischnath (1987): "Wilde Mexikaner". Aquarien Magazin (9): 347-350

L. Wischnath (1995): Zwaarddrager wildvormen, deel 2. Het Aquarium (12): 290-293

Xiphophorus continens Rauchenberger, Kallman & Morizot, 1990

C. Cheswright (0): A Christmas trip to Mexico. Viviparous (42): 0-

T. Coletti (2010): Livebearers unlimited The northern mountain swordtails. Tropical Fish Hobbyist (March): 32-35

M. Köck (2012): Mit und ohne Schwert; Die Gattung Xiphophorus Teil 2: Die Nördlichen Schwertträger. Das Lebendgebärenden Magazin (2): 12-25

M. Köck (2013): Het geslacht Xiphophorus Deel 2 De noordelijke zwaarddragers. Poecilia Nieuws (5): 8-26

P. Lambert (0): Aquarian endangered species expedition. Viviparous (21): 0-

D.A. McLennan & M.J. Ryan (2008): Female swordtails, Xiphophorus continens, prefer the scent of heterospecific males. Anim. Behav. (75): 1731-1737

L. van der Meer (2012): Xiphophorus continens Rauchenberger, Kallman & Morizot 1990. Poecilia Nieuws (4): 30-32

L. van der Meer (2013): Xiphophorus continens Rauchenberger, Kallman und Morizot, 1990. Das Lebendgebärenden Magazin (2): 5-6

E. Meinema (1991): Vier nieuwe zwaarddragers van het Rio Panuco stroomgebied (Oost Mexico). Poecilia Nieuws (2): 28-30

M.R. Morris et al (2005): The role of sexual selection in the loss of sexually selected traits in the swordtail fish Xiphophorus continens. Anim. Behav. (69): 1415-1424

M. Rauchenberger, K. Kallmann & D.C. Morizot (1990): Monophyly and Geography of the Rio Panuco Basin Swordtails with description of four new species. American Museum Novitates (2975): 1-41

R. Serva (2005): The Genus Xiphophorus Part 1, the Swordtails. Livebearers (184): 4-25

R. Serva & G. Tash (1998): Xiphophorus continens. Livebearers (154): 6-7

B. Slocum (2014): Xiphophorus continens The El Quince swordtail. Livebearers (224): 18-19

L. Wischnath (1992): Neue Namen bei großen und kleinen Schwertträgern. Das Aquarium (August): 10-12

L. Wischnath (1995): Zwaarddrager wildvormen, deel 2. Het Aquarium (12): 290-293

Xiphophorus cortezi Rosen, 1960

M. Ah-King & P.A. Gowaty (2016): A conceptual review of mate choice: stochastic demography, within-sex phenotypic plasticity, and individual flexibility. Ecology and Evolution (14): 4607-4642

J.M. Artigas Azas (2014): Sie kamen aus Mexiko- die Schwertträger und ihr Lebensraum. Amazonas (März/April): 22-27

H. Auer (2005): Aus der Wissenschaft: Neues vom Aggressionsverhalten der Männchen und von der Partnerwahl der Weibchen bei Xiphophorus cortezi. DGLZ-Rundschau (2): 59-62

H. Auer (2012): Von fastende Koyoten und großen Ichthyologen - Keine Namenskunde von den Schwertträgern. Das Lebendgebärenden Magazin (1): 22-25

R. de Boer & T. Woeltjes (1986): Enkele levendbarende tandkarpers uit Mexico. Het Aquarium (9): 227-230

O. Böhm (1978): Erleben die Wildformen Lebendgebärender Zahnkarpfen einen neuen Frühling?. Aquarien Magazin (9): 432-436

C. Cheswright (0): A Christmas trip to Mexico. Viviparous (42): 0-

C. Clapsaddle (2013): Life with livebearers the Cortes swordtail (Xiphophorus cortezi). Tropical Fish Hobbyist (Feb): 42-44

T. Coletti (2007): Montezuma's revenge Part 1: a history of many names. Livebearers (196): 7-13

T. Coletti (2010): Livebearers unlimited The northern mountain swordtails. Tropical Fish Hobbyist (March): 32-35

Z. Culumber (2018): Impact of environmental change on wild livebearer populations. Livebearers (237): 9-15

G. Daul (1981): Wieder einmal "Fischfangexcursion in Mexiko". DGLZ-Rundschau (4): 46-49

A.A. Fernandez (2010): A cancer-causing gene is positively correlated with male aggression in Xiphophorus cortezi. J. Evol. Biol. (23): 386-396

A.A. Fernandez & M.R. Morris (2008): Mate choice for more melanin as a mechanism to maintain a functional oncogene. Proc. Natl. Acad. Sci. (36): 13503-13507

A. Fernandez, L.R. Fernandez & L. Toth (2008): Head over heels: an examination of a possible mating signal in female swordtails, Xiphophorus cortezi. Anim. Behav. (76): 1073-7081

D. Franck (1970): Verhaltungsgenetische Untersuchungen an Artbastarden der Gattung Xiphophorus (Pisces). Z. Tierpsychol. (1): 1-34

M. Gordon (1942): The true Montezumae swordtail's tenth year in the aquarium. The Aquarium (April): 196-197

M.S. Gordon & D.E. Rosen (1951): Genetics of species differences in the morphology of the male genitalia of Xiphophorin fishes. Bulletin American Museum of Natural History (95): 409-464

C. Gutiérrez-Rodríguez, A. Shearer, M. Morris & K. de Queiroz (2008): Phylogeography and monophyly of the swordtail fish species Xiphophorus birchmanni. Zoologica Scripta (37): 129-139

C. Gutiérrez-Rodríguez, M. Morris, N. Dubois, K. de Queiroz (2007): Genetic variation and phylogeography of the swordtail fish Xiphophorus cortezi. Molecular Phylogenetics and Evolution (43): 111-123

H. Hieronimus (1992): Die kleinen Schwertträger. DGLZ-Rundschau (1): 8-10

H. Hieronimus (2007): Neues zu Xiphophorus cortezi. DGLZ-Rundschau (4): 103-105

C.D. Hoefler & M.R. Morris (1999): A technique for the temporary application and augmentation of pigment patterns in fish. Ethology (105): 431-438

K. de Jong (1986): Xiphophorus cortezi, de cortezi zwaarddrager (Rosen 1960). Poecilia Nieuws (5): 65-67

K. de Jong (1988): Revisie van de Xiphophorus montezumae/cortezi groep en beschrijving van een nieuwe ondersoort. Poecilia Nieuws (6): 83-86

K. de Jong (2004): De zwaarddrager wildvormen voor iedere aquariaan interessant. Poecilia Nieuws (4): 8-16

K. de Jong (2006): Voorkeur voor symmetrie bij Xiphophorus cortezi. Poecilia Nieuws (4): 27-28

K. de Jong (2009): Über die Vorliebe für Symmetrie bei Xiphophorus cortezi. Das Lebendgebärenden Magazin (2): 8-8

K. D. Kallman (1989): Genetic Control of Size at Maturity in Xiphophorus. Ecology & Evolution of Livebearing Fishes (Poeciliidae) (): 163-184

M. Köck (2012): Mit und ohne Schwert; Die Gattung Xiphophorus Teil 2: Die Nördlichen Schwertträger. Das Lebendgebärenden Magazin (2): 12-25

M. Köck (2013): Het geslacht Xiphophorus Deel 2 De noordelijke zwaarddragers. Poecilia Nieuws (5): 8-26

U. Korte (2012): Lebendgebärende im Exotarium des Frankfurter Zoos. DGLZ-Rundschau (2): 68-76

D. Lambert (0): Xiphophorus cortezi. Viviparous (1): 0-

D. Lambert (1996): The search for Skiffia francesae The Aquarian Expedition 1996. Tropical Fish Hobbyist (november): 118-133

D. Lambert (1997): The livebearer world: Poecilia chica ...etc.. Tropical Fish Hobbyist (January): 166-169

D. Lambert (1997): A report on Xiphophorus cortezi & X. pygmaeus. Tropical Fish Hobbyist (May): 158-162

P. Lechner & A.C. Radda (1988): Revision des Xiphophorus montezumae/cortezi-Komplexes und Neubeschreibung einer Subspezies. DGLZ-Rundschau (2): 4-11

J. Lyons (2017): Adventures among the wild livebearers of Mexico: Northern Swordtails. Livebearers (234): 5-10

D.A. McLennan & M.J. Ryan (1997): Responses to conspecific and heterospecific olfactory cues in the swordtail Xiphophorus cortezi. Anim. Behav. (54): 1077-1088

D.A. McLennan & M.J. Ryan (1999): Interspecific recognition and discrimination bases upon olfactory cues in Northern swordtails. Evolution (3): 880-888

L. van der Meer (2007): Xiphophorus montezumae Jordan & Snyder, 1900. Poecilia Nieuws (4): 24-26

M.K. Meyer (1986): Lebendgebärende Aquarienfische vom Rio Axtla in Mexiko. DATZ (2): 61-64

M.K. Meyer (1988): Mexiko 1987, (Teil 2). DGLZ-Rundschau (3): 4-11

J. Moar (1990): Xiphophorus cortezi. Livebearers (111): 28-30

Jason Moretz (2005): Aggression and fighting ability are correlated in the swordtail Xiphophorus cortezi: the advantage of being barless. Behav Ecol Sociobiol (59): 51-57

M.R. Morris & K. Casey (1998): Female swordtail fish prefer symmetrical sexual signal. Anim. Behav. (55): 33-39

M.R. Morris, J.A. Elias & J.A. Moretz (2001): Defining vertical bars in relation to female preference in the swordtail Xiphophorus cortezi (Cyprinodontiformes, Poeciliidae). Ethology (107): 827-837

M.R. Morris, O. Rios-Cardenas & M.S. Tudor (2006): Larger swordtail females prefer asymmetrical males. Biol. Lett. (2): 8-11

M.R. Morris, P.F. Nicoletto & E. Hesselman (2003): A polymorphism in female preference for a polymorphic male trait in the swordtail fish Xiphophorus cortezi. Animal Behaviour (65): 45-52

N. Offen, A. Meyer & G. Begemann (2009): Identification of novel genes involved in the development of the sword and gonopodium in swordtail fish. Developmental Dynamics (238): 1674-1687

M. Plath et al (2007): Sexual harassment in live-bearing fishes (Poecilidae): comparing courting and noncourting species. Behavioral Ecology (March): 680-688

F. Poeser & K. de Jong (2010): Vrouwen vallen voor foute mannen. Ook bij Xiphophorus cortezi. Poecilia Nieuws (5): 27-28

A.C. Price, C.J. Weadick, J. Shim & F.H. Rodd (2008): Pigments, patterns, and fish behavior. Zebrafish (4): 297-307

K. Qvist & R. Evjeberg (2012): Tamasopo. Das Lebendgebärenden Magazin (2): 26-32

A.C. Radda (1982): Synopsis der Gattung Xiphophorus Heckel. DGLZ-Rundschau (2): 25-30

T. Rehbeck (1999): Der Rio Axtla und seine Fische. DGLZ-Rundschau (1): 12-13

S. Riese (2004): Der Cortez-schwertträger - Xiphophorus cortezi. Das Lebendgebärenden Magazin (1): 24-27

D.M. Robinson & M.R. Morris (2010): Unraveling the complexities of variation in female mate preferences for vertical bars in the swordtail, Xiphophorus cortezi. Behav Ecol Sociobiol (May): 0-

D.E. Rosen (1960): Middle-American Poeciliid Fishes of the genus Xiphophorus. Bulletin of the Florida State Museum (4): 58-243

G.G. Rosenthal & M.J. Ryan (2011): Conflicting preferences within females: sexual selection versus species recognition. Biol. Lett. (7): 525-527

J. Sabisch (2002): Die Gattung Xiphophorus hat viel mehr zu bieten als den Schwertträger und den Platy. Das Aquarium (3): 22-25

G. Sage (2000): Beginning a selective breeding program, part 2. Livebearers (162): 5-10

C. van de Sande (2002): Molly R. Morris. Poecilia Nieuws (1): 12-16

A. Schartl et al (1995): Spontaneous melanoma formation in nonhybrid Xiphophorus. Cancer Research (55): 159-165

R. Serva (2005): The Genus Xiphophorus Part 1, the Swordtails. Livebearers (184): 4-25

R. Serva & G. Tash (1999): The treasure of Cortez - Xiphophorus cortezi. Livebearers (155): 21-24

H. Stallknecht (1981): Ein Xipho-hybride. Aquarien Terrarien (6): 187-187

H.-P. Weil (1982): Eine Reise voller Überraschungen (Folge 1). DGLZ-Rundschau (2): 20-22

L. Wischnath (1978): Wildvormen van zwaarddragers. TI'H (14): 5-8

L. Wischnath (1994): Wildformen Lebendgebärender Zahnkarpfen Teil 2: Schwertträger. Das Aquarium (302): 16-18

L. Wischnath (1995): Zwaarddrager wildvormen, deel 2. Het Aquarium (12): 290-293

C.D. Zander (1965): Die Geschlechtsbestimmung bei Xiphophorus montezumae cortezi Rosen (Pisces). Z. Vererbungsl. (96): 128-141

Xiphophorus couchianus (Girard, 1859)

(1987): Erhaltung der natürlichen Biotope. ZAG Lebendgebärende Zahnkarpfen (1): 1-2

C. Aguilera (1995): Universidad atonoma de Nuevo Leon - Programs for the endangered fish species of Mexico. Aquatic Survival (3): 14-15

B. Allen (2009): An albino Xiphophorus couchianus platy. Livebearers (206): 13-14

H. Auer (2012): Von fastende Koyoten und großen Ichthyologen - Keine Namenskunde von den Schwertträgern. Das Lebendgebärenden Magazin (1): 22-25

A.S. Bias (0): Xiphophorus couchianus - on its way out?. Viviparous (7): 0-3

R. Borowsky (1978): The tailspot polymorphism of Xiphophorus (Pisces: Poeciliidae). Evolution (4): 886-893

T. Coletti (2010): Livebearers unlimitied. The northern platies… and a new species?. Tropical Fish Hobbyist (1): 32-34

R. Conant (1968): Zoological exploration in Mexico - the route of lieut. D.N. Couch in 1853. American Museum Novitates (2350): 1-14

G. Daul (1981): Wieder einmal "Fischfangexcursion in Mexiko". DGLZ-Rundschau (4): 46-49

I. Dibble (2008): Monterrey to Morelia, Mexico 2006. Livebearers (203): 12-25

R. Fischer (1995): Three wild platys. Livebearers (139): 15-139

D. Franck (1970): Verhaltungsgenetische Untersuchungen an Artbastarden der Gattung Xiphophorus (Pisces). Z. Tierpsychol. (1): 1-34

C. Girard (1859): Ichthyological notices. Proc. Acad. Nat. Sci. Phila. (April): 113-122

M. Gordon (1932): Dr. Myron Gordon going on expedition. Aquatic Life (15): 287-288

M.S. Gordon & D.E. Rosen (1951): Genetics of species differences in the morphology of the male genitalia of Xiphophorin fishes. Bulletin American Museum of Natural History (95): 409-464

A. Günther (1866): Catalogue of the fishes in the British museum. London (vol. 6): 1-386

M. Hellweg (2007): Xiphophorus couchianus. Livebearers (198): 8-12

M. Heyligen (1995): Xiphophorus couxhianus. Aquariumwereld (11): 266-268

H. Hieronimus (1985): Xiphophorus couchianus, der Monterrey-Platy. DGLZ-Rundschau (2): 4-11

H. Hieronimus (1990): Door aquarianen gered. Het Aquarium (10): 272-273

H. Hieronimus (1991): Lohnt es sich, Fundortstämme im Aquarium zu halten?. DGLZ-Rundschau (1): 12-13

C. Huang, Q. Dong & T.R. Tiersch (2004): Sperm cryopreservation of a live-bearing fish, the platyfish Xiphophorus couchianus. Theriogenology (62): 971-989

K. de Jong (1989): Xiphophorus couchianus (Girard, 1859). In de natuur uitgestorven. Poecilia Nieuws (6): 0-2

K. de Jong (1992): Hoe lang nog?. Picasso onder water (): 0-

K. de Jong (2005): Xiphophorus couchianus (Girard, 1859). Poecilia Nieuws (3): 31-33

K. D. Kallman (1964): Genetics of tissue transplantation in isolated platyfish populations. Copeia (3): 513-522

K.D. Kallman & M.P. Schreibman (1971): The origin and possible genetic control of new, stable pigment patterns in the Poeciliid fish Xiphophorus maculatus. Journal of Experimental Zoology (176): 147-168

M. Köck (2013): Mit und ohne Schwert: Die Gattung Xiphophorus Teil 3: Die Platys. Das Lebendgebärenden Magazin (2): 9-20

M. Köck (2014): Met en zonder zwaard: Het geslacht Xiphophorus deel 3 de platy's. Poecilia Nieuws (3): 21-41

R. Levine (1994): Xiphophorus to the rescue: model systems to study cancer. Livebearers (134): 6-8

M.K. Meyer (1983): Xiphophorus-Hybriden aus Nord-Mexiko, mit einer Revision der Taxa X. kosszanderi und X. roseni. Zoologische Abhandlungen, Staatliches Museum fur Tierkunde Dresden (18): 285-291

M.K. Meyer (1984): Xiphophorus-Hybriden aus Nord_Mexiko, mit einer Revision der Taxa X. kosszanderi und X. roseni. DGLZ-Rundschau (2): 31-37

M.K. Meyer (1984): "Herontdekt" een tot nu toe onbekende vorm van Xiphophorus couchianus. TI (36): 21-21

M.K. Meyer (1984): Natuurlijke hybriden bij Xiphophorus. TI'H (38): 35-35

R.R. Miller & W.L. Minckley (1963): Xiphophorus gordoni, a new species of platyfish from Coahuila, Mexico. Copeia (3): 538-546

J. Moar (1991): Xiphophorus couchianus. Livebearers (119): 4-7

G.S. Myers (1925): Concerning melanodimorphism in killifishes. Copeia (137): 105-107

T. Neal (1993): A plain jane, definitely not!. Livebearers (129): 7-8

A.C. Radda (1982): Synopsis der Gattung Xiphophorus Heckel. DGLZ-Rundschau (2): 25-30

E.M. Ralston (1933): The chromosomes of Xiphophorus, Platypoecilus and their hybrids during maturation stages. Science (2015): 124-125

E.M. Ralston (1934): A study of the chromosomes of Xiphophorus, Platypoecilus and of Xiphophorus-Platypoecilus hybrids during spermatogenesis. Journal of Morphology

C.T. Regan (190608): Pisces. Biologia Centrall-Americana (): 1-203

Y. Shen et al (2016): X. couchianus and X. hellerii genome models provide genomic variation insight among Xiphophorus species. BMC Genomics (17:37): 1-13

F.H. Stoye (1998): The fishes of the order Cyprinodontes part 3. The livebearers. Livebearers (153): 21-31

W.N. Tavolga (1949): Embryonic development of the platyfish (Platypoecilus), the swordtail (Xiphophorus) and their hybrids. Bulletin American Museum of Natural History (94): 161-230

A. Valdés Gonzalez (2008): The search for Xiphophorus couchianus and the discovery of a new species. Livebearer News (24): 4-11

L. Wischnath (0): Le Platy Apodaca. Aquarama (142): 23-35

L. Wischnath (1982): Wildvormen van platy's. TI'H (30): 6-9

L. Wischnath (1984): De Apodaca platy in het aquarium. TI (36): 21-21

L. Wischnath (1987): Lebendgebärende Zahnkarpfen aus Mexiko. Aquarien Magazin (8): 336-340

L. Wischnath (1996): Wildvormen van het geslacht Xiphophorus deel 3 - platy's. Het Aquarium (1): 7-9

J. Wubbolt (1997): Xiphophorus couchianus "Huasteca Canyon": the Monterrey platy. Livebearers (148): 14-15

H. Yang et al (2009): Sperm cryopreservation of a live-bearing fish, Xiphophorus couchianus: Male-to-male variation in post-thaw motility and production of F1 hybrid offspring. Comparative Biochemistry and Physiology (149): 233-239

Xiphophorus evelynae Rosen, 1960

H. Auer (2012): Von fastende Koyoten und großen Ichthyologen - Keine Namenskunde von den Schwertträgern. Das Lebendgebärenden Magazin (1): 22-25

R. Borowsky (1997): Sangre De Cristo and Argent: new color varieties of platyfish. Tropical Fish Hobbyist (June): 123-134

T. Coletti (2010): Livebearers unlimitied. The northern platies… and a new species?. Tropical Fish Hobbyist (1): 32-34

K. de Jong (2005): Xiphophorus evelynae Rosen, 1960. Poecilia Nieuws (3): 17-19

B. Kabbes (1999): Vangreis Brian en Simone Kabbes, Mexico 1998. Conclusies en bevindingen - Familie Poeciliidae. Poecilia Nieuws (4): 76-86

M. Köck (2013): Mit und ohne Schwert: Die Gattung Xiphophorus Teil 3: Die Platys. Das Lebendgebärenden Magazin (2): 9-20

M. Köck (2014): Met en zonder zwaard: Het geslacht Xiphophorus deel 3 de platy's. Poecilia Nieuws (3): 21-41

D. Lambert (1997): The Livebearer World. Tropical Fish Hobbyist (december): 114-116

J. McKee (1985): Xiphophorus evelynae Rosen 1960. Livebearers (81): 5-6

J. Moar (1990): Xiphophorus evelynae. Livebearers (110): 11-12

A.C. Radda (1982): Synopsis der Gattung Xiphophorus Heckel. DGLZ-Rundschau (2): 25-30

D.E. Rosen (1960): Middle-American Poeciliid Fishes of the genus Xiphophorus. Bulletin of the Florida State Museum (4): 58-243

R. Serva & G. Tash (1998): Xiphophorus evelynae. Livebearers (151): 4-6

R. Serva & G. Tash (1999): Xiphophorus evelynae. Livebearers (156): 19-20

L. Wischnath (1982): Wildvormen van platy's. TI'H (30): 6-9

L. Wischnath (1987): "Wilde Mexikaner". Aquarien Magazin (9): 347-350

L. Wischnath (1994): Wildformen Lebendgebärender Zahnkarpfen Teil 1: Guppy, Platys und Gambusen. Das Aquarium (299): 16-19

L. Wischnath (1996): Wildvormen van het geslacht Xiphophorus deel 3 - platy's. Het Aquarium (1): 7-9

Xiphophorus gordoni Miller & Minckley, 1963

(1995): Spotlight on endangered livebearers. Viviparous (32): 0-

C. Aguilera (1995): Universidad atonoma de Nuevo Leon - Programs for the endangered fish species of Mexico. Aquatic Survival (3): 14-15

H. Auer (2012): Von fastende Koyoten und großen Ichthyologen - Keine Namenskunde von den Schwertträgern. Das Lebendgebärenden Magazin (1): 22-25

T. Coletti (2010): Livebearers unlimitied. The northern platies… and a new species?. Tropical Fish Hobbyist (1): 32-34

G. Daul (1981): Wieder einmal "Fischfangexcursion in Mexiko". DGLZ-Rundschau (4): 46-49

I. Dibble (2008): Monterrey to Morelia, Mexico 2006. Livebearers (203): 12-25

R. Fischer (1995): Three wild platys. Livebearers (139): 15-139

D. Isla (1995): Endangered livebearers at the Staten Island Zoo. Tropical Fish Hobbyist (6): 84-94

K. de Jong (2005): Xiphophorus gordoni Miller & Minckley, 1963. Poecilia Nieuws (3): 34-35

M. Köck (2013): Mit und ohne Schwert: Die Gattung Xiphophorus Teil 3: Die Platys. Das Lebendgebärenden Magazin (2): 9-20

M. Köck (2014): Met en zonder zwaard: Het geslacht Xiphophorus deel 3 de platy's. Poecilia Nieuws (3): 21-41

D. Lambert (0): Xiphophorus gordoni Miller & Minckley, 1963. Viviparous (44): 0-

L. van der Meer (2013): Xiphophorus gordoni Miller & Minckley, 1963. Poecilia Nieuws (1): 23-25

M.K. Meyer (1989): Mexiko 1987 Teil 4. DGLZ-Rundschau (4): 4-11

M.K. Meyer (1989): Mexiko Teil 3. DGLZ-Rundschau (1): 4-13

R.R. Miller & W.L. Minckley (1963): Xiphophorus gordoni, a new species of platyfish from Coahuila, Mexico. Copeia (3): 538-546

A.C. Radda (1982): Synopsis der Gattung Xiphophorus Heckel. DGLZ-Rundschau (2): 25-30

F.F. Schmidt (1978): Mexico - een vissenparadijs. Het Aquarium (5): 121-125

H.-P. Weil (1982): Eine Reise voller Überraschungen (Folge 2). DGLZ-Rundschau (3): 38-41

L. Wischnath (1982): Wildvormen van platy's. TI'H (30): 6-9

L. Wischnath (1987): Lebendgebärende Zahnkarpfen aus Mexiko. Aquarien Magazin (8): 336-340

L. Wischnath (1994): Wildformen Lebendgebärender Zahnkarpfen Teil 1: Guppy, Platys und Gambusen. Das Aquarium (299): 16-19

L. Wischnath (1996): Wildvormen van het geslacht Xiphophorus deel 3 - platy's. Het Aquarium (1): 7-9

Xiphophorus hellerii Heckel, 1848

(1991): Euro-Standard 1989 für Xiphophorus-Zuchtformen. DGLZ-Rundschau (3): 52-59

(1994): Designer genes. Viviparous (27): 3-11

(1994): Zwaarddragers negeren evolutietheorie. Intermediair (16): 31-31

M. Ah-King & P.A. Gowaty (2016): A conceptual review of mate choice: stochastic demography, within-sex phenotypic plasticity, and individual flexibility. Ecology and Evolution (14): 4607-4642

B. Allen (2001): The "Wagtail" effect in domestic swordtails (Xiphophorus helleri) and platies (Xiphophorus maculatus). Livebearers (171): 12-16

B. Allen (2003): Is it a he or a she? A case of apparent sex change in a swordtail. Livebearers (175): 14-17

B. Allen (2007): A hybrid of Xiphophorus helleri x X. nezahuacoyotl. Livebearers (197): 22-25

B. Allen (2008): Observations on albino and red-eyed swordtails. Livebearers (202): 5-7

F. Anders (1967): Ein Modellbeispiel für Krebsentstehung. Umschau in Wissenschaft und Technik (6): 194-196

A. Anders, F. Anders & K. Klinke (0): Regulation of gene expression in the Gordon-Kosswig melanoma system II. (): 0-

A. Anders, F. Anders & K. Klinke (0): Regulation of gene expression in the Gordon-Kosswig melanoma system. (): 33-52

G. Andersen (2014): Lessons from a Lyretail. Livebearers (225): 11-11

G. Anderson (2005): Green hi-fin swords. Livebearers (184): 29-31

U. Andrich (1970): Zur Geschlechtsumwandlung. Aquarien Terrarien (7): 240-240

R.A. Angus (1989): A Genetic Overview of Poeciliid Fishes. Ecology & Evolution of Livebearing Fishes (Poeciliidae) (): 51-68

R. Anken & Thomas Kappel (1992): Die Fortplanzungsbiologie des Schwertträgers - Xiphophorus helleri. DATZ (5): 294-

R. Arijon (2009): History of my albino swordtails. Livebearers (205): 18-22

P. Arnold (1909): Xiphophorus helleri var. guentheri. Wochenschrift für Aquarien und Terrarienkunde (32): 433-435

L.R. Aronson & E. Clark (1952): Evidences of ambidexterity and laterality in the sexual behavior of certain poeciliid fishes. The American Naturalist (828): 161-171

J.M. Artigas Azas (2014): Sie kamen aus Mexiko- die Schwertträger und ihr Lebensraum. Amazonas (März/April): 22-27

J.W. Atz (1962): Effects on hybridization on pigementation in fishes of the genus Xiphophorus. Zoologica (4): 153-181

H. Auer (2004): Heller - Helleri - Hellerii Erhellendes (?) zu Xiphophorus helleri(i). DGLZ-Rundschau (3): 55-56

H. Auer (2004): Neues aus der Wissenschaft: Aspekte bei der Partnerwahl bei Xiphophorus hellerii und bei Priapella olmecae. DGLZ-Rundschau (4): 100-102

H. Auer (2012): Von fastende Koyoten und großen Ichthyologen - Keine Namenskunde von den Schwertträgern. Das Lebendgebärenden Magazin (1): 22-25

R.J. Bailey (1933): The ovarian cycle in the viviparous Teleost Xiphophorus helleri. Biological Bulletin (2): 206-225

A.L. Basolo (1990): Female preference predates the evolution of the sword in swordtail fish. Science (250): 808-810

A.L. Basolo (1990): Female preference for male sword length in the green swordtail: Xiphophorus helleri. Anim. Behav. (40): 332-338

A.L. Basolo (1991): Technical comments Male swords and female preferences. Science (253): 1426-1427

A.L. Basolo (1996): The phylogenetic distribution of a female preference. Systematic biology (3): 290-307

A.L. Basolo (1998): Evolutionary change in a receiver bias: a comparison of female preference functions. Proc. R. Soc. Lond. (265): 2223-2228

A.L. Basolo (1998): Shift in investment between sexually selected traits: tarnishing of the silver spoon. Anim. Behav. (55): 665-671

A.L. Basolo (2002): Congruence between the sexes in preexisting receiver responses. Behavioral Ecology (6): 832-837

A.L. Basolo & B.C. Trainor (2002): The conformation of a female preference for a composite male trait in green swordtails. Anim. Behav. (63): 469-474

A.L. Basolo & G. Alcaraz (2003): The turn of the sword: length increases male swimming costs in swordtails. Proc. R. Soc. Lond. (270): 1631-1636

A.L. Basolo & K.J. Delaney (2001): Male biases for male characteristics in females in Priapella olmecae and Xiphophorus helleri. Ethology (107): 431-438

A. L. Basolo & W.E. Wagner (2004): Covariation between predation risk, body size and fin elaboration in the green swordtail, Xiphophorus helleri. Biological Journal of the Linnean Society (83): 87-100

G. Baum (1967): Pflegen Sie Schwertträger?. DATZ (11): 323-327

A. Baumgarter, S. Coleman & B.Swanson (2011): The cost of the sword: escape performance in male swordtails. Plos1ne (1): 1-8

J.P. Beaugrand (1997): Resolution of agonistic conflicts in dyads of acquinted green swordtails (Xiphophorus helleri): a game with perfect information. Behavioural Processes (41): 79-96

J. Beaugrand & C. Goulet (2000): Distinguishing kinds of prior dominance and subordination experiences in males of green swordtail fish (Xiphophorus helleri). Behavioural Processes (50): 131-142

J. Beaugrand & M. Beaugrand (1991): Prior residency and the stability of dominance relationships in pairs of green swordtail fish Xiphophorus helleri. Behavioural Processes (24): 169-175

J.P. Beaugrand & P.-A. Cotnoir (1996): The role of individual differences in the formation of triadic dominance orders of male green swordtail fish (Xiphophorus helleri). Behavioural Processes (38): 287-296

J. Beaugrand, C. Goulet & D. Payette (1991): Outcome of dyadic conflict in male green swordtail fish, Xiphophorus helleri: effects of body size and prior dominance. Anim. Behav. (41): 417-424

J.P. Beaugrand, D. Payette & C. Goulet (1996): Conflict outcome in male green swordtail fish dyads (Xiphophorus helleri): interaction of body size, prior dominance/subordination experience and prior residency. Behaviour (3/4): 303-319

J. P. Beaugrand, J. Caron & L. Comeau (1984): Social organization of small heterosexual groups of green swordtails (Xiphophorus helleri, Pisces, Poeciliidae) under conditions of captivity. Behaviour (1/3): 24-60

A.W. Bellamy (1924): Bionomic studies on certain Teleosts I. Statement of problems, description of material, and general notes on life histories and breeding behaviour under laboratory conditions. Genetics (6): 513-529

A.W. Bellamy (1934): Life span of platypoecilus, Xiphophorus and their hybrids in the laboratory. Science (2069): 191-191

T. Benages (1974): Functional sex reversal of the Poeciliids. Livebearers (13): 2-5

K.E. Benson (2007): Enhanced female brood patch size stimulates male courtship in Xiphophorus helleri. Copeia (1): 212-217

K.E. Benson & A. L. Basolo (2006): Male-male competition and the sword in male swordtails, Xiphophorus helleri. Anim. Behav. (71): 129-134

T. Bernsee (2014): Nichts für Anfänger - Zuchtformen vom Schwertträger. Amazonas (März/April): 30-32

P. St. Bic (1968): CSSR: Schwertträger und Guppies in Thermalgewässern. Aquarien Terrarien (4): 137-137

A. Bisazza, A. Grapputo & L. Nigro (1997): Evolution of reproductive strategies and male sexual ornaments in poeciliid fishes as inferred by mitochondrial 15 rRNA gene phylogeny. Ethology Ecology & Evolution (9): 55-67

R. de Boer & T. Woeltjes (1986): Enkele levendbarende tandkarpers uit Mexico. Het Aquarium (9): 227-230

O. Böhm (1989): Fische aus dem Hochland Mexikos. TI (93): 19-20

D. Bork (1988): Lebendgebärende Fische in Budapester Thermalgwässern. ZAG Lebendgebärende Zahnkarpfen (2): 6-7

D. Bork (1991): Aquarienfische und Planzen in Budapester Thermalgewässern. DGLZ-Rundschau (2): 28-30

R. Borowsky (1978): The tailspot polymorphism of Xiphophorus (Pisces: Poeciliidae). Evolution (4): 886-893

G. Brecht (1983): Lebendgebärende von Jamaika. DGLZ-Rundschau (1): 4-11

G. Brecht (1986): Mauritius. DGLZ-Rundschau (1): 17-18

F. Breden (2000): Livebearer Genome Project: searching for cancer genes in platyfish (and perhaps mollies and guppies?). Livebearers (161): 31-32

H. Breider (1937): Juveniles und adultes Geschlechtsverhältnis bei Xiphophorus Helleri Heckel. Molecular and General Genetics MGG (1): 471-476

M.P. Brewer (1980): My love for fancy black swords. Livebearers (54): 15-16

G.E. Brown & J.-G. Godin (1999): Who dares, learns: chemical inspection behaviour and acquired predator recognition in a characin fish. Animal Behaviour (57): 475-481

M. Brummel et al (2006): Conservation of synteny between guppy and Xiphophorus genomes. Zebrafish (3): 347-347

J.N. Buckingham, B.M. Wong & G.G. Rosenthal (2007): Shoaling decisions in female swordtails: how do fish gauge group size?. Behaviour (144): 1333-1346

C. Cheswright (1994): Down Mexico way. Viviparous (26): 0-9

A.S.C. Chong, S.D. Ishak, Z. Osman & R. Hashim (2004): Effect of dietary protein level on the reproductive performance of female Xiphophorus helleri (Poeciliidae). Aquaculture (234): 381-392

C. Clapsaddle (1979): Solid black plumetail swordtails. Livebearers (47): 2-3

C. Clapsaddle (2012): Life with livebearers The Río Otapa swordtail. Tropical Fish Hobbyist (2): 36-38

C. Clapsaddle (2015): Life with livebearers Swordtail/Variatus hybrids. Tropical Fish Hobbyist (3): 26-28

E. Clark (0): Platyfish and swordtails. Viviparous (37): 0-

E. Clark (1982): Platyfish and swordtails. Livebearers (65): 9-12

E. Clark & R.P. Kamrin (1951): The role of the pelvic fins in the copulatory act of certain Poeciliid fishes. American Museum Novitates (1509): 1-14

E. Clark, L.R. Aronson & M. Gordon (1954): Mating behavior patterns in two sympatric species of Xiphophorin fishes: their inheritance in sexual isolation. Bulletin American Museum of Natural History (103): 135-226

A. Claro-Garciá, F.M. Assega & O.A. Shibatta (2018): Diversity and distribution of ichthyofauna in streams of the middle and lower Tibagi river basin, Paraná, Brazil. Check List (1): 43-53

S.W. Coleman & A.G. Jones (2013): Patterns of multiple paternity and maternity in fishes. Biological Journal of the Linnean Society (103): 735-760

T. Coletti (2010): Livebearer unlimited The southern swordtails. Tropical Fish Hobbyist (Feb): 32-34

T. Contreras-MacBeath, H. Mejia Mojica & R. Carillo Wilson (1998): Negative inmpact on the aquatic ecosystems of the state Morelos, Mexico from introduced aquarium and other commercial fish. Aquarium Sciences and Conservation (2): 67-78

D. Cramm (1969): Lyratail-Xiphos erfordern Ausdauer!. Aquarien Terrarien (10): 355-355

Z. Culumber (2014): Pigmentation in Xiphophorus: an emerging system in ecological and evolutionary genetics. Zebrafish (1): 57-70

Z.W. Culumber, S. Monks & R. Miranda (2014): Report of Xiphophorus hellerii in the arid Metzitlán Canyon biosphere reserve in Mexico. Environmental Biology of Fishes (97): 157-161

G. Daul (1994): Schwertträger aus dem Rio Atoyac. DATZ (10): 674-674

J. Dawes (1980): Overleving. Het Aquarium (16): 502-504

I. Dibble (1999): Artgerechte Ernährung unserer Aquarienfishe. DGLZ-Rundschau (2): 63-65

H.R. Diller (1996): Male Lyre tailed swords can be lovers. Livebearers (141): 9-10

H.R. Diller (2009): Pseudo-lyratail swords. Livebearers (206): 4-5

D. Douglass (2013): The livebearers of Idaho. Livebearer News (221): 5-7

A.D.M. Dove (2000): Richness patterns in the parasite communities of exotic poeciliid fishes. Parasitology (120): 609-623

R. Drogla (1968): Ein Schwertträgermännchen versuchte Blaude Fadenfische zu begatten. Aquarien Terrarien (4): 137-137

P. Duyff (1953): Iets over het geslacht Xiphophorus. Het Aquarium (4): 80-83

R.L. Earley (2006): Xiphophorus: carving a niche towards a broader understanding of aggression and dominance. Zebrafish (3): 287-298

R.L. Earley, M. Tinsley & L.A. Dugatkin (2003): To see or not to see: does previewing a future opponent affect the contest behavior of green swordtail males (Xiphophorus helleri)?. Naturwissenschaften (90): 226-230

R.L. Early & L.A. Dugatkin (2002): Eavesdropping on visual cues in green swordtail (Xiphophorus helleri) Fights: a case for networking. Proceedings: Biological Sciences (1494): 943-952

R.L. Early & L.A. Dugatkin (2006): Merging social hierarchies: Effects on dominance rank in male green swordtail fish (Xiphophorus helleri). Behavioural Processes (73): 290-298

C. Eibner, s. Pittlik, A. Meyer & G. Begemann (2008): An organizer controls the development of the "sword", a sexually selected trait in swordtail fish. Evolution & Development (4): 403-412

F. Endemann, H. Kaiser & T. Hecht (1997): Size-sorted juvenile swordtails, Xiphophorus helleri Heckel 1848 (Family Poeciliidae), do not show improved growth. Aquaculture Research (28): 645-647

P.C. Esselman & J.D. Allan (2010): Relative influences of catchment- and reach-scale abiotic factors on freswater fish communities in rivers of northeastern Mesoamerica. Ecology of Freshwater Fish (19): 439-454

P.C. Esselman, M.C. Freeman & C.M. Pringle (2006): Fish-assemblage variation between geologically defined regions and across a longitudinal gradient in the Monkey River Basin, Belize. J.N.Am. Benthol. Soc. (1): 142-156

J.M. Essenberg (1923): Sex-differentiation in the viviparous Teleoast Xiphophorus helleri Heckel. Biological Bulletin (45): 46-97

J.M. Essenberg (1926): Complete sex-reversal in the viviparous Teleost Xiphophorus helleri. Biological Bulletin (2): 98-111

V. Etzel (1993): Xiphophorus helleri in Panama - endemisch oder ausgesetzt?. DGLZ-Rundschau (1): 11-12

A.A. Fernando (1991): Diets and feeding regimes of Poeciliid fishes in Singapore. Asian Fisheries Science (4): 99-107

D. Franck (1970): Verhaltungsgenetische Untersuchungen an Artbastarden der Gattung Xiphophorus (Pisces). Z. Tierpsychol. (1): 1-34

D. Franck & A. Ribowski (1987): Influences of prior agonistic experiences on aggression measures in the male swordtail (Xiphophorus helleri). Behaviour (1/3): 217-240

D. Franck & A. Ribowski (1989): Escalating fights for rank-order position between male swordtails (Xiphophorus helleri): Effects of prior rank-order experience and information transfer. Behav Ecol Sociobiol (24): 133-143

D. Franck & A. Ribowski (1993): Dominance hierarchies of male green swordtails (Xiphophorus helleri) in nature. Journal of Fish Biology (43): 497-499

D. Franck & U. Wilhelm (1973): Veränderungen der aggressiven Handlungsbereitschaft männlicher Schwertträger Xiphophorus helleri, nach sozialer Isolation (Fische, Poeciliidae). Cellular and Molecular Life Sciences (7): 896-897

D. Franck et al. (1998): Home ranges and satellite tactics of male green swordtails (Xiphophorus helleri) in nature. Behavioural Processes (43): 115-123

D. Franck, A. Müller, N. Rogmann (2003): A colour and size dimorphism in the green swordtail (population Jalapa): female mate choice, male-male competition and male mating strategies. Acta Ethol (5): 75-79

D. Franck, M. Dikomey & M. Schartl (2001): Selection and the maintenance of a colour pattern polymorphism in the green swordtail. Behaviour (138): 467-486

D. Franck, R.-P. Hannes, H. Lanffermann & A. Ribowski (1985): Effects of social isolation on aggressiveness in fish with special reference to the swordtail (Xiphophorus helleri). Behavioural Processes (10): 415-427

E. Friess (1932): Untersuchungen über die Geschlechtsumkehr bei Xiphophorus Helleri Heckel. Development Genes and Evolution (2): 255-355

F. Garcia, R.Y. Fujimoto, M.L. Martins & F.R. Moraes (2009): Protozoan parasites of Xiphophorus spp. (Poeciliidae) and their relation with water characteristics. Arq. Bras. Med. Vet. Zootec. (1): 156-162

C. Gasparini, L.W. Simmons, M. Beveridge & J.P. Evans (2010): Sperm swimming velocity predicts competitive fertilization succes in the green swordtail Xiphophorus helleri. Plos1ne (8): 1-5

D. Gentzsch (1982): Die Zucht des Lyratailplaty. Aquarien Terrarien (8): 269-271

D. Gentzsch (1985): Zucht von Schwertträgern durch Paarung von schwarzen Eltern. Aquarien Terrarien (8): 272-273

D. Gentzsch (1987): Zum Wurfrhythmus bei Lebendgebärenden Zahnkarpfen. Aquarien Terrarien (11): 378-380

D. Gentzsch (1995): Hamburger Schwertträger. Das Aquarium (309): 13-16

D. Gentzsch (2006): De lyravin-platy reeds in 1981 in Saksen. Poecilia Nieuws (3): 23-28

D. Gentzsch (2016): Wurden der Hamburger Schwertträger in Berlin und der Berliner Schwertträger in Hamburg gezüchtet?. DGLZ-Rundschau (3): 93-107

D. Gentzsch (2017): Lebendgebärenden Zahnkarpfen: Taxonomie von Zuchtformen. VDA-aktuell (4): 34-36

S. Ghosh, A. Sinha & C. Sahu (2008): Dietary probiotic supplementation in growth and health of live-bearing ornamental fishes. Aquaculture Nutrition (14): 289-299

S. Ghost, A. Sinha & C. Sahu (2007): Effect of probiotic on reproductive performance in female livebearing ornamental fish. Aquaculture Research (38): 518-526

A. Gibb et al (2008): Functional significance of intramandibular bending in Poeciliid fishes. Environmental Biology of Fishes (83): 473-485

R. Godschalk (1994): Levendbarende tandkarpers. Het Aquarium (4): 112-113

I. Goldenbogen (1977): Über den Einflß sozialer Isolation auf die aggressive Handlungsbereischaft von Xiphophorus hellerii und Haplochromis burtoni. Z. Tierpsychol. (44): 25-44

H. Goldstein (2010): Kelly Warm Springs: the tropics of Wyoming's Grand Teton. Tropical Fish Hobbyist (October): 80-84

H.B. Goodrich, G.A. Hill & M.S. Arrick (1941): The chemical identification of gene-controlled pigments in Platypoecilus and Xiphophorus and comparisons with other tropical fish. Genetics (26): 573-586

M. Gordon (1931): The hereditary basis for melanosis in hybrids of Mexican killifishes. Proc. Natl. Acad. Sci. (17): 276-280

M. Gordon (1938): The genetics of Xiphophorus hellerii: Heredity in Montezuma, a Mexican swordtail fish. Copeia (1): 19-29

M. Gordon (1996): Red wagtail swordtails. Livebearers (141): 18-20

M.S. Gordon & D.E. Rosen (1951): Genetics of species differences in the morphology of the male genitalia of Xiphophorin fishes. Bulletin American Museum of Natural History (95): 409-464

H. Greven (1999): My home is not my castle. Das Aquarium (356): 24-24

R.C. Griffiths (1992): Australian livebearers. Livebearers (126): 4-5

J.T.W. Griffiths (2013): Pretty swords I liked. A fish wife's tail. Livebearer News (221): 20-22

S. Guerrero-Estévez & Moreno-Mendoza (2010): Sexual determination and differentiation in teleost fish. Reviews in Fish Biology and Fisheries (20): 101-121

J. Hansen (1972): Zwölf Flossentypen im Wurf eines Lyratail-Xipho-Weibchens. Aquarien Terrarien (10): 348-348

R. Hanson (1994): Red albino hifin swordtails. Livebearers (133): 7-8

R. Hanson (1996): Red coral albino swordtail. Livebearers (144): 4-5

E. Hardy, L.A. Bumm & I. Schlupp (2017): Social function of a variable lateral stripe in Xiphophorus hellerii?. Ethology (september): 1-10

P.D. Harris (1986): Species of Gyrodactylus von Nordmann, 1832 from poeciliid fishes, with a description of G. turnbulli sp. nov. from the guppy, Poecilia reticulata Peters. Journal of Natural History (20): 183-191

G. Häussler (1928): Über Melanombildungen bei Bastarden von Xiphophorus hellerii und Platypoecilus maculatus var. rubra. Klinische Wochenschrift (33): 1561-1562

J.-E. Hay (): Heureux comme un Xipho dans l'eau. Aquarama (): 19-

F. Hay (1997): Die Schwerttäger Varianten. Aquarium Live (2): 34-40

T. Hayes (1973): Problems in breeding black lyretail swordtails. Livebearers (12): 2-3

T. Hayes (1991): Problems in breeding black lyratail swordtails. Livebearers (116): 15-16

J. Heckel (1848): Eine neue Gattung von Poecilien mit rochenartigem Anklammerungs-Organe. Sitzber. K. Akad. Wiss. Wien (1): 289-303

J. Hemens (1966): The ethological significance of the sword-tail in Xiphophorus hellerii (Haeckel). Behaviour (3/4): 290-315

L.P. Hernandez, A.C. Gibb & L. Ferry-Graham (2009): Trophic apparatus in Cyprinodontiform fishes: functional specializations for picking and scraping behaviors. Journal of Morphology

M. Heußen (2014): Aufgelesen……in aquaristischen Zeitschriften. Das Lebendgebärenden Magazin (2): 26-27

B.A. Heuts & V. Nijman (1998): Aggressive behaviour of two swordtail colour breeds in a prior residence situation. Behavioural Processes (43): 251-255

H. Hieronimus (1985): Geschichte der Lebendgebärenden - Teil 1. DGLZ-Rundschau (1): 11-12

H. Hieronimus (1985): De geschiedenis van de levendbarende tandkarpers. Poecilia Nieuws (4): 40-42

H. Hieronimus (1990): Bevorzugen Schwertträger - Mänchen eigentlicht Weibchen der eigenen Farbe?. DGLZ-Rundschau (3): 13-13

H. Hieronimus (1992): The history of the swordtail. Livebearers (126): 6-7

H. Hieronimus (1992): De geschiedenis van de levendbarende tandkarpers. Poecilia Nieuws (6): 12-18

H. Hieronimus (1996): Lebendgebärende Briefmarken Teil II: Schwertträger und Platys. DGLZ-Rundschau (3): 58-64

H. Hieronimus (2002): Der Koi-Schwertträger, ein neue Farbkombination. DGLZ-Rundschau (3): 73-73

H. Hieronimus (2004): Von helleri zu hellerii - ein nomenklatorischer Spaziergang. DGLZ-Rundschau (3): 57-58

H. Hieronimus (2005): Darwin und die Schwertträger. DGLZ-Rundschau (2): 67-68

H. Hieronimus (2015): Wie das Rot in Platy und Schwertträger kam. DGLZ-Rundschau (1): 23-26

H. Hieronimus (2016): Mehr Rot in die Schwertträger - durch Tagetes!. DGLZ-Rundschau (1): 4-4

A. Hiskes (1972): De kweek van levendbarende tandkarpers. Het Aquarium (4): 94-94

T. Hobson Simpson (2014): How I developed the Simpson swordtail. Livebearers (223): 24-27

P.J. Hogarth (1972): Immune relations between mother and foetus in the viviparous poeciliid fish Xiphophorus hellerii Haeckel I. Antigenicity of the foetus. J. Fish Biology (4): 265-269

P.J. Hogarth (1972): Immune relations between mother and foetus in the viviparous poeciliid fish Xiphophorus hellerii Haeckel II Lack of status of the ovary as a favourable sit for allograft survival. J. Fish Biology (4): 271-275

P.J. Hogarth (1973): Immune relations between mother and foetus in the viviparous poeciliid fish Xiphophorus hellerii Haeckel III. Survival of embryos after ectopic transplantation. J. Fish Biology (5): 109-113

R.B. Hole (1995): Keeping and breeding domestic swordtails. Livebearers (139): 4-9

B. Hole Jr. (1985): Possible observations on cancer in black wag swordtails. Livebearers (82): 10-10

T.M. Holitzki et al (2013): Differences in ecological structure, function, and native species abundance between native and invaded Hawaiian streams. Ecological Applications (6): 1367-1383

R.R. Hollander (1986): Microanalysis of scales in Poeciliid fishes. Copeia (1): 86-91

M. Holly, H. Meinken & A. Rachow (1962): Xiphophorus hellerii Heckel. (IX): 1178-1183

P. Horn (1968): Der Simpson-Schwertträger und seine Züchtungstechnik. Aquarien Terrarien (12): 409-411

C. Huang, Q. Dong, R.B. Walter & T.R. Tiersch (2004): Sperm cryopreservation of green swordtail Xiphophorus helleri, a fish with internal fertilization. Cryobiology (48): 295-308

C.L. Hubbs (1935): Fresh-water fishes collected in British Honduras and Guatemala. University of Michigan Museum of Zoology Miscellaneous Publications (28): 1-22

H. Hulsman et al (2008): Effect of introduced species and habitat alteration on the occurence and distribution of euryhaline fishes in fresh- and brackish-water habitatis on Aruba, Bonaire and Curaçao (South Caribbean). Contributions to

W.T. Innes (2013): From the archives. Red swordtail, up-to-date. Livebearers (220): 26-27

K. Jacobs (1968): Kreuzungen des Xiphophorus helleri Heckel. Das Aquarium (7/8): 2-3

K. Jacobs (1977): Die "Bayreuther Kreuzung" Eine Form des Simpson-Schwertträgers. Aquarien Magazin (4): 162-162

B.G.M. Jamieson & H.J. Grier (1993): Influences of phylogenetic position and fertilization biology on spermatozoal ultrastructure exemplified by exocoetoid and poeciliid fish. Hydrobiologica (271): 11-25

A.O. Janze (1974): Geslachtsbepaling bij Xiphophorus en Poecilia. Het Aquarium (10): 261-264

W. van der Jeught (2004): Xiphophorus hellerii (Heckel, 1848). Aquariumwereld (12): 354-357

J.B. Johnson & A.L. Basolo (2003): Predator exposure alters female mate choice in the green swordtail. Behavioral Ecology (5): 619-625

C.L.W. Jones & H. Kaiser (2005): Movement of juvenile swordtail (Xiphophorus helleri Heckel) through a tank bottom grid depends on combinations of grid and tank colour. Aquaculture Research (36): 513-515

C.L.W. Jones, H. Kaiser & T. Hecht (1998): Effect of shelter, broodstock number, and sex-ratio on juvenile production in the swordtail Xiphophorus helleri under intensive culture conditions. Journal of the world aquaculture society (1): 92-96

C.L.W. Jones, H. Kaiser & T. Hecht (2007): Intercohort cannibalism and parturition-associated behaviour of adult swordtail, Xiphophorus helleri Heckel (Pisces: Poeciliidae). Aquaculture Research (38): 718-727

C.L.W. Jones, H. Kaiser & T. Hecht (2008): Intercohort cannibalism and post-partum behaviour of juvenile swordtail Xiphophorus helleri Heckel (Pisces: Poeciliidae). Aquaculture Research (39): 111-117

C.L.W. Jones, H. Kaiser, G.A. Webb & T. Hecht (1998): Filial cannibalism in the swordtail Xiphophorus helleri (Poeciliidae). Aquarium Sciences and Conservation (2): 79-88

J.C. Jones, J.-A. Perez-Sato & A. Meyer (2012): A phylogeographic investigation of the hybrid origin of a species of swordtail fish from Mexico. Molecular Ecology (21): 2692-2712

Dr J.C.M. de Jong (1938): Kruisingsproeven met vissen II. Aqua Terra (6): 109-111

Dr J.C.M. de Jong (1956): Geslachtsomkeer. Waterweelde (februari): 221-222

K. de Jong (1988): Xiphophorus andersi, met uitsterven bedreigd; het Atoyac zwaardplaatje. Poecilia Nieuws (2): 25-26

K. de Jong (1989): Het kruisen van levendbarenden anno 1934. Poecilia Nieuws (4): 65-67

K. de Jong (1993): Kunstmatige inseminatie. Poecilia Nieuws (6): 159-160

K. de Jong (1994): Nieuwe soorten in Nederland. Poecilia Nieuws (4): 75-78

K. de Jong (1998): De zwaarddrager. Poecilia Nieuws (6): 97-101

K. de Jong (2004): De zwaarddrager wildvormen voor iedere aquariaan interessant. Poecilia Nieuws (4): 8-16

K. de Jong (2005): Prikkelende filmpjes voor zwaarddrager vrouwtjes. Poecilia Nieuws (5): 26-28

K. de Jong (2007): De invloed van een predator op de voorkeur van een zwaarddragervrouw. Poecilia Nieuws (4): 22-23

K. de Jong (2012): Prickelnde Filmchen für Schwertträgerweibchen. Das Lebendgebärenden Magazin (2): 35-35

K. de Jong (2014): Mexiko 2013 Teil 2 Rundum Morelia. Das Lebendgebärenden Magazin (1): 26-31

D. Jordan (0): The history of the swordtail. Livebearer News (11): 12-14

B. Kabbes (1999): Vangreis Brian en Simone Kabbes, Mexico 1998. Conclusies en bevindingen - Familie Poeciliidae. Poecilia Nieuws (4): 76-86

B. Kabbes (2000): De zwaarddrager is de perfecte platy. Poecilia Nieuws (4): 60-63

B. Kabbes (2000): San Juan de los Arcos. Poecilia Nieuws (2): 20-26

D. Kaden (1968): Mein Weg zu hochflossigen Platies. Aquarien Terrarien (7): 224-225

D. Kaden (1969): Erfahrungen mit Lyratail-Xiphos. Aquarien Terrarien (10): 354-354

D. Kaden (1976): Halbschwarze Schwertträger. Aquarien Terrarien (12): 408-411

D. Kaden (1988): Halfzwarte zwaarddragers. Poecilia Nieuws (6): 90-92

D. Kaden (1996): Halbschwarze Schwertträger. DGLZ-Rundschau (1): 15-18

K. D. Kallman (1989): Genetic Control of Size at Maturity in Xiphophorus. Ecology & Evolution of Livebearing Fishes (Poeciliidae) (): 163-184

J.H. Kang et al (2015): Transcriptomics of two evolutionary novelties: how to make a sperm-transfer organ out of an anal fin and a sexual selected "sword" out of a caudal fin. Ecology and Evolution (5): 848-864

K. Kantwert (1986): Aquarischtische und terraristische Beobachtungen in Kuba. Aquarien Terrarien (3): 86-87

S. Kazianis et al (1996): Genetic mapping in Xiphophorus hybrid fish: assignment of 43 AP-PCR/RAPD and isozyme markers to multipoint linkage groups. Genome Research (6): 280-289

F.J. Kerr (1984): Swordtails en garde!. Livebearers (75): 12-13

A.M. Kerrigan (1934): The inheritance of the crescent and twin spot marking in Xiphophorus helleri. Genetics (19): 581-599

M. Kirkpatrick & M.J. Ryan (1991): The evolution of mating preferences and the paradox of the lek. Nature (350): 33-385

A.M. van Klei (1973): Xiphophorus helleri Simpson. NGK mededelingen (1): 22-23

J. Klungers (2005): Portretten van levendbarenden Zwaarddragers deel 2. Het Aquarium (3): 79-80

M. Köck (2012): Mit und ohne Schwert: Die Gattung Xiphophorus Teil 1: Die SüdlichenSchwertträger. Das Lebendgebärenden Magazin (1): 12-21

M. Köck (2012): Het geslacht Xiphophorus. Poecilia Nieuws (3): 11-27

C. Koßwig (1927): Über bastarde der teleostier Platypoecilus und Xiphophorus. Z. Indukt. Abstammungs- Vererbungsl. (44): 253-257

C. Koßwig (1928): Über Kreuzungen zwischen den Teleostiern Xiphophorus helleri und Platypoecilus maculatus. Z. Indukt. Abstammungs- Vererbungsl. (47): 150-158

C. Koßwig (1929): Zur Frage der Geschwultultsbildung bei Gattungsbastarden der Zahnkarpfen Xiphophorus und Platypoecilus. Z. Indukt. Abstammungs- Vererbungsl. (52): 114-120

C. Koßwig (1930): Die Geschlechtsbestimmung bei den Bastarden von Xiphophorus helleri un Platypoecilus und deren Nachkommen. Z. Indukt. Abstammungs- Vererbungsl. (54): 263-267

C. Koßwig (1931): Die geschlechtliche Differenzierung bei den Bastarden von Xiphophorus heuert und Platypoecilus maculatus und deren Nachkommen. Z. Indukt. Abstammungs- Vererbungsl. (59): 146-150

C. Kosswig (1964): Problems of polymorphism in fishes. Copeia (1): 65-75

J. de Kraay (1967): Levendbarende tandkarpers. Het Aquarium (10): 218-223

D.L. Kramer & M. McClure (1982): Aquatic surface respiration, a widespread adaptation to hypoxia in tropical freshwater fishes. Environmental Biology of Fishes (1): 47-55

I. Kristensen (1955): Platy's en zwaarddragers kruisen niet in de vrije natuur. Het Aquarium (11): 255-258

I. Kristensen (2000): Links en rechts benaderende levendbarenden. Poecilia Nieuws (2): 18-19

D. Kroll (2002): Der Mini-Guppy - Hungerformen und andere Abweicher. DGLZ-Rundschau (3): 60-65

D.P. Kruger, P.J. Britz & J. Sales (2001): The influence of livefeed supplementation on growth and reproductive performance of swordtail (Xiphophorus helleri Heckel 1848) broodstock. Aquarium Sciences and Conservation (3): 265-273

A. Kühne (1997): Der Albinismus bei Zuchtformen und Guppys. DGLZ-Rundschau (3): 53-55

A. Kühne (1997): Melanismus beim Albino-Helleri. DGLZ-Rundschau (2): 41-41

A. Kühne (1998): Grundfarben bei Zuchtformen 1. Grundfarben beim Schwertträger. DGLZ-Rundschau (1): 15-16

D. Lambert (1995): The livebearer world: The wild swordtails. Tropical Fish Hobbyist (9): 234-236

J.K. Langhammer (1986): Forty years of swordtails. Livebearers (90): 4-6

J.K. Langhammer (1996): Pseudo-lyretail swords. Livebearers (141): 11-11

J.K. Langhammer (2009): Comments on pseudo-lyratail swords. Livebearers (206): 5-6

A.C. van Leeuwen (1937): Enige interessante kruisingen. Aqua Terra (4): 71-72

G.J. Lenksink (1955): Veranderende geslachtskenmerken bij vissen. Waterweelde (10): 175-177

R. Levine (2007): Why it's so difficult to obtain great hi-fins. Livebearers (194): 8-16

R. Levine (2014): Melanosoma in platies and swordtails. Livebearers (224): 5-9

H. Lindner (1985): Erstzüchtung und Erfolge des Xiph. Helleri Zuchtform "Bayreuther Kreuzung". DGLZ-Rundschau (3): 4-5

S. Ling, R. Hashim, S. Kolkovski & A. C. Shu-Chien (2006): Effect of varying dietary lipid and protein levels on growth and reproductive performance of female swordtails Xiphophorus helleri (Poeciliidae). Aquaculture Research (37): 1267-

H. Lobregt (1989): Levendbarenden in de natuur. Een vindplaats in Hongarije bij min 0°C. Poecilia Nieuws (2): 29-30

M. de Lourdes Lozano Vilano & S. Contreras Balderas (1987): Lista zoogeografica y ecologica de la ictiofauna continental de Chiapas, Mexico. The Southwestern Naturalist (2): 223-236

G. Lübon & Harro Hieronimus (1991): Schwarze Zeichnungsmuster bei Xiphophorus Zuchtformen. DGLZ-Rundschau (2): 37-38

R.D. MacLaren & D. Daniska (2008): Female preferences for dorsal fin and body size in Xiphophorus helleri: further investigation of the LPA bias in Poeciliid fishes. Behaviour (145): 897-913

K. Magellan & H. Kaiser (2009): The function of aggression in the swordtail, Xiphophorus helleri: resource defence. J Ethol (): 0-

K. Magellan & H. Kaiser (2010): Male Aggression and mating opportunity in a poeciliid fish. African Zoology (1): 8-23

K. Magellan & H. Kaiser (2010): The function of aggression in the swordtail, Xiphophorus helleri: resource defence. J Ethol (28): 239-244

W.A. Matamoros, J.F. Schaeffer & B.R. Kreiser (2009): Annotated checklist of the freshwater fishes of continental and insular Honduras. Zootaxa (2307): 1-38

T.J. McConnell et all (1998): Identification and mapping of two divergent, unlinked major hostocompatibility complex class II B genes in Xiphophorus fishes. Genetics (149): 1921-1934

M.G. McRae (2001): Microhabitat use in an assemblage of native and introduced stream fishes in Wailoa stream, Island of Hawaii. Thesis (): 1-47

S.E. Meek (1902): A contribution to the ichthyology of Mexico. Field Columbian Museum - Zoology (6): 63-1128

S.E. Meek (1904): The fresh water fishes of Mexico north of the Isthmus of Tehuantepec. Field Columbian Museum - Zoology (5): 1-252

D.E. Mefford (1997): Fancy platies.. hybrids?. Livebearers (149): 4-5

D.E. Mefford (2001): Why fancy strains of livebearers diminish. Livebearers (166): 18-19

D.E. Mefford (2003): Female Xiphophorus with gonopodium. Livebearers (177): 39-40

D.E. Mefford (2005): The misuse of common names & other concerns. Livebearers (186): 8-11

D.E. Mefford (2005): Fancy swordtails. Livebearers (184): 26-28

D.E. Mefford (2007): My thoughts on koi swordtails. Livebearers (197): 5-7

S. Meierjohann & M. Schartl (2006): From Mendelian to molecular genetics: the Xiphophorus melanoma model. Trends in Genetics (12): 654-661

K.-E. Meise (1967): Beobachtungen an Simpson-Schwertträgern. Aquarien Terrarien (4): 134-134

H.H. Mejía-Madrid et al. (2015): Relationship between environmental and geographic factors and the distribution of exotic fishes in tributaries of the Balsas river basin, Mexico. Environmental Biology of Fishes (98): 611-621

P.J. Mellegers (1995): De algebra van de voortplanting. Poecilia Nieuws (6): 110-113

P.J. Mellegers & F. Poeser (2004): Die Mathematik der Fortpflanzung. Das Lebendgebärenden Magazin (1): 3-5

N. Messerle (1947): Een zeldzame misvorming bij de rode zwaarddrager. Het Aquarium (7): 101-103

M.K. Meyer (1996): Schwertträger Xiphophorus helleri- und X. nigrensis-Komplex. Das Aquarium (329): 14-17

N. Miller (1907): The fishes of the Motagua River, Guatemala. Bulletin American Museum of Natural History (23): 95-123

D.A. Milton & A.H. Arthington (1983): Reproductive biology of Gambusia affinis holbrooki Baird and Girard, Xiphophorus helleri (Güunther) and X. maculatus (Heckel) (Pisces; Poeciliidae) in Queensland, Australia. J. Fish Biology (23): 23-

R.S. Mirza, J.J. Scott & D.P. Chivers (2001): Differential responses of male and female red swordtails to chemical alarm cues. Journal of Fish Biology (59): 716-728

J. Moar (1997): Xiphophorus helleri. Livebearers (145): 11-14

R. Moncayo-Estrada et al. (2014): Status and trends in biotic integrity in a sub-tropcial river drainage: analysis of the fish assemblage over a three decade periode. River Res. Applic. (): -

D.L. Morgan, H.S. Gill, M.G. Maddern & S.J. Beatty (2004): Distribution and impacts of introduced freshwater fishes in Western Australia. New Zealand Journal of Marine and Freshwater Research (3): 511-523

D.C. Morizot & M.J. Siciliano (1979): Polymorphisms, linkage and mapping of four enzyme loci in the fish genus Xiphophorus (Poeciliidae). Genetics (93): 947-960

D.C. Morizot, R. B. Walter (2003): Das Xiphophorus Genetic Stock Center. DGLZ-Rundschau (2): 31-35

H. Mück (2003): Kleine Mexikoreise nach Veracruz. DGLZ-Rundschau (4): 81-85

H. Mück (2011): Den Traum gelebt: Mexikorundreisde - Endziel Characodon-Habitate im zentralen Hochland von Durango. DGLZ-Rundschau (4): 91-108

H. Mühlberg (2013): Nochmals zum Yucatan-Schwertträger. Das Lebendgebärenden Magazin (2): 22-23

P. Müller (1967): Interessante Neuzugänge aus Kuba. Aquarien Terrarien (10): 336-339

T. Nakagawa (1973): How I raise champion swordtails. Livebearers (7): 2-4

T. Nakagawa (1991): How I raise champion swordtails. Livebearers (115): 15-18

H. Nehring (2000): Abweichende Färbung bei Nachzuchten des Catemaco-Schwertträgers!. DGLZ-Rundschau (4): 89-89

R. Nguyen (2018): King lyretail swords!. Livebearers (237): 5-8

J. Norton (1972): Imperial swordtails - some comments. Livebearers (5): 5-5

J. Norton (1972): Comments on Kunimoto's veiltail Xiphophorus. Livebearers (6): 7-11

J. Norton (1972): Imported livebearers. Livebearers (4): 6-8

J. Norton (1974): Hi-fin swordtail stock available. Livebearers (15): 9-9

J. Norton (1987): Questions and answers. Livebearers (93): 10-11

J. Norton (2006): Domestic livebearers (summary of 1991 ALA convention program). Livebearers (187): 26-30

J. Norton (2015): From the archive Red jet hi-fin swordtails. Livebearers (229): 16-18

J. Norton (2016): Fancy black swordtails. Livebearers (231): 18-21

N. Offen, A. Meyer & G. Begemann (2009): Identification of novel genes involved in the development of the sword and gonopodium in swordtail fish. Developmental Dynamics (238): 1674-1687

N. Offen, N. Blum, A. Meyer & G. Begemann (2008): Fgfr I signalling in the development of a sexually selected trait in vertebrates, the sword of swordtail fish. BMC Developmental Biology (98): 1-18

A. Olivier & H. Kaiser (1997): A comparison of growth, survival rate, and number of marketable fish producted of swordtails, Xiphophorus helleri Heckel (Family Poeciliidae), between two types of culture systems. Aquaculture Research (28):

G.J. van Oordt (1925): The relation between de development of the secondary sex characters and the structure of the testis in the Teleost X. helleri Heckel. The British Journal of Experimental Biology (III): 43-59

G.J. van Oordt (1928): The duration of life of the spermatozoa in the fertilized female of Xiphophorus helleri Regan. (april): 1-4

G.J. van Oordt en C.J.J. van der Maas (1926): Castratie en implantatie van geslachtsorganen bij Xiphophorus Helleri Heckel. (september): 935-938

H.-J. Paepke (1989): Zum Status von Xiphophorus pseudomontezumae Ahl, 1938 und zur Entstehung des Zeignungsmunster "liniert" bei Schwertträgern. Aquarien Terrarien (8): 271-273

E.E. Patton, D.L. Mitchell & R.S. Nairn (2010): Genetic and environmental melanoma models in fish. Pigment Cell Melanoma Res. (23): 314-337

H.-A. Pederzani (1966): Wiesbadener oder Tuxedo - Schwertträger. Aquarien Terrarien (12): 0-0

H.-A. Pederzani (1968): Die Beurteilung des Schwertes bei Xiphophorus helleri. Aquarien Terrarien (1): 2-3

H.-A. Pederzani (1968): Zur Beurteilung der Rückenflossenform bei hochflossigen Xiphophoriden. Aquarien Terrarien (2): 46-47

H.-A. Pederzani (1969): Schwarze Bänderung vererbte sich nicht. Aquarien Terrarien (1): 31-31

H.-A. Pederzani (1969): Wie und warum kreuzt man Platies mit Schwertträgern?. Aquarien Terrarien (7): 240-240

B. Pels (2011): Gedachten over de groei van zwaarddragermannen. Poecilia Nieuws (2): 22-24

H.-W. Pelz (1968): Echte Kopula bei Xiphophorus helleri. Aquarien Terrarien (4): 136-136

H.-W. Pelz (1972): III. Internationale Xiphoschau in Nordhausen. Aquarien Terrarien (4): 136-138

A. Perlmutter & H. Potter (1988): Hypertermic suppression of a genetically programmed melanoma in hybrids of fishes: genus Xiphophorus. J Cancer Res Clin Oncol (114): 359-362

R. Peter, M. Scartl, F. Anders & H.-R. Duncker (1985): Pigment pattern formation during embryogenesis in Xiphophorus. Pigment Cell (7): 291-302

G. Peters (1969): Zur "Geschlechtsumwandlung" der Schwertträger Xiphophorus helleri. Aquarien Terrarien (11): 364-367

G. Petzold (1966): Zuchterfahrungen mit dem Hamburger Schwertträger. Aquarien Terrarien (10): 350-351

G. Petzold (1975): Xiphophorus helleri in Südafrika eingebürgert. Aquarien Terrarien (4): 136-136

K. Pfand (1972): Einheitliche Bewertungsrichtlinien für Xiphos. Aquarien Terrarien (1): 28-28

N. Pilakouta, M.A. Correa & S.H. Alonzo (2017): Predation risk reduces a female preference for heterospecific males in the green swordtail. Ethology (123): 95-104

H. Pinter (1989): Berliner Schwerträger oder Berliner Kreuzung. TI (91): 20-20

H. Pinter (1997): De zwarte zwaarddrager en zijn vermeerdering. Aquariumwereld (1): 8-9

H. Pinter (2003): Nachzucht bei Schwertträgern - eine einfacht Sache, oder?. Aquaristik Fachmagazin (173): 38-39

F.N. Poeser (1993): Blup, zei de gup. Poecilia Nieuws (5): 103-106

J. Prenter, P. W. Taylor & R.W. Elwood (2008): Large body size for winning and large swords for winning quickly in swordtail males, Xiphophorus helleri. Anim. Behav. (75): 1981-1987

A. Rachow (1910): Xiphophorus brevis Regan. Wochenschrift für Aquarien und Terrarienkunde (40): 553-554

A.C. Radda (1982): Synopsis der Gattung Xiphophorus Heckel. DGLZ-Rundschau (2): 25-30

E.M. Ralston (1934): A study of the chromosomes of Xiphophorus, Platypoecilus and of Xiphophorus-Platypoecilus hybrids during spermatogenesis. Journal of Morphology

C.T. Regan (1907): Diagnoses of new Central-American freshwater fishes of the families Cyprinodontidae and Mugilidae. Annals and Magazine of Natural History (19): 64-66

C.T. Regan (1911): A new Xiphophorus from Guatemala. Annals and Magazine of Natural History (september): 373-374

C.T. Regan (1911): On some fishes of the family Poecilidae. Annals and Magazine of Natural History (45): 373-374

C.T. Regan (190608): Pisces. Biologia Centrall-Americana (): 1-203

E. Ringel (1911): Unsere Lebendgebärenden. (Schluß). Wochenschrift für Aquarien und Terrarienkunde (): 290-292

R. Rodiles-Hernandéz, E. Diaz-Pardo & J. Lyons (1999): Patterns in the species diversity and composition of the fish community of the Lacanja River, Chiapas, Mexico. Journal of Freshwater Ecology (4): 455-468

W.-H. Röhrs (1977): Veränderungen der sexuellen und aggressiven Handlungsbereitschaft des Schwertträgers Xiphophorus helleri (Pisces, Poeciliidae) unter dem Einfluß sozialer Isolation. Z. Tierpsychol. (44): 402-422

E. Rosbroj (1968): Wagtail-Schwertträger bereits 1924?. Aquarien Terrarien (7): 245-245

D.E. Rosen & K.D. Kallman (1969): A new fish of the genus Xiphophorus from Guatemala, with remarks on the Taxonomy of Endemic Forms. American Museum Novitates (2379): 1-29

H.L. Rosenthal (1955): Abnormal birth of broods in the viviparous Poeciliids Lebistes reticulatus and Xiphophorus helleri. Copeia (1): 52-53

G. G. Rosenthal & C.S. Evans (1998): Female preference for swords in Xiphophorus helleri reflects a bias for large apparent size. Proc. Natl. Acad. Sci. (95): 4431-4436

G.G. Rosenthal, C.S. Evans & W.L. Miller (1996): Female preference for dynamic traits in the green swordtail, Xiphophorus helleri. Anim. Behav. (51): 811-820

P.W. Roth (1997): An interesting fish hybrid. Livebearers (145): 26-27

A.J. Rothwell (2000): Xiphophorus helleri Heckel, 1848. Viviparous (48): 33-35

N.J. Royle, J. Lindström & N.B. Metcalfe (2005): A poor start in life negatively affects dominance status in adulthood independent of body size in green swordtails Xiphophorus helleri. Proc. R. Soc. Lond. (272): 1917-1922

N.J. Royle, J. Lindström & N.B. Metcalfe (2006): Effect of growth compensation on subsequent physical fitness in green swordtails Xiphophorus helleri. Biol. Lett. (2): 39-42

N.J. Royle, J. Lindström & N.B. Metcalfe (2008): Context-dependent mate choice in relation to social composition in green swordtails Xiphophorus helleri. Behavioral Ecology (19): 998-1005

N.J. Royle, N.B. Metcalfe & J. Lindström (2006): Sexual selection, growth compensation and fast-start swimming performance in green swordtails, Xiphophorus helleri. Functional Ecology (20): 662-669

G. Ruiz-Campos et al. (2002): An annotated distributional checklist of the freshwater fish from Baja California Sur, México. Reviews in Fish Biology and Fisheries (12): 143-155

L.E. Ruiz-Cauich et al (2016): Stability vs organization: Potential of a trophic model for the management of shallow tropical streams. Food Webs (6): 38-47

R. Russo, E.W. Curtis & R.P.E. Yanong (2007): Preliminary investigations of hydrogen peroxide treatment of selected ornamental fishes and efficacy against external bacteria and parasites in green swordtails. Journal of Aquatic Animal Health

M.J. Ryan (1998): Sexual selection, receiver biases, and the evolution of differences. Science (september): 1999-2003

E. Saathoff (1940): Over Xiphophorus helleri Heckel, zijn kruisingsmogelijkheden en andere bijzonderheden. Aqua Terra (oktober): 91-94

E. Saathoff (1940): Over Xiphophorus helleri Heckel, zijn kruisingsmogelijkheden en andere bijzonderheden II. Aqua Terra (november): 112-113

C. van de Sande (1987): Een verzamelreis naar Guatemala II. Poecilia Nieuws (3): 46-48

W. Sangster (1948): A study of the quantitative effects of ethnynyl testosterone upon the sword and gonopodium of Xiphophorus helleri. Physiological Zoology (2): 134-147

S. Saunders (1972): The imperial veil swordtail. Livebearers (5): 3-5

A. Savastio (1985): Space requirements for swordtails and platies. Livebearers (83): 9-10

A. Savastio (1986): Minimizing aggression between male swordtails. Livebearers (85): 6-7

A. Savastio (1987): Suggestions for breeding albino swordtails. Livebearers (93): 7-9

A. Savastio (1987): Xiphophorus helleri. Livebearers (96): 13-14

A. Savastio (1988): The importance of culling swordtails. Livebearers (97): 13-14

A. Savastio (1988): Is it genetics or environment. Livebearers (98): 20-21

A. Savastio (1989): Disease resistance in the genus Xiphophorus. Livebearers (106): 13-14

A. Savastio (1991): Fish that don't need heaters. Livebearers (117): 17-18

M. Schart et al (153): Melanoma loss-of-function mutants in Xiphophorus caused by Xmrk-oncongene deletion and gene disruption by a transposable element. Genetics (1999): 1385-1394

M. Schart et al (1999): Melanoma loss-of-function mutants in Xiphophorus caused by Xmrk-oncogene deletion and gene disruption by a transposable element. Genetics (153): 1385-1394

R. Scheffler (1976): Op zoek naar levendbarenden in Mexico. TI'H (7): 24-27

H. Schlosberg, M.C. Duncan & B.H. Daitch (1949): Mating behavior of two live-bearing fish, Xiphophorus hellerii and Platypoecilus maculatus. Physiological Zoology (2): 148-161

F.F. Schmidt (1978): Mexico - een vissenparadijs. Het Aquarium (5): 121-125

H. Schmidt (1998): "Hallesche Quergöbbe"Beginn und angestrebte Ziele einer Versuchzucht. DGLZ-Rundschau (4): 83-86

H. Schmidt (2001): Hallesche Quergöbbe II Weiterführung und erreichte Ziele einder Versuchtszucht. DGLZ-Rundschau (1): 14-16

K. Schönberg (1968): Paarungsschwierigkeiten bei lebendgebärenden Zahnkarpfen. Aquarien Terrarien (10): 350-350

H. Schöpfel (1997): Der Yukatan-Schwertträger. TI (133): 29-31

G. Schramm (1988): Xiphophorus helleri: halbschwarz quer. ZAG Lebendgebärende Zahnkarpfen (2): 1-3

G. Schramm (1990): Meine Erfahrungen mit Albino-Schwertträgern. ZAG Lebendgebärende Zahnkarpfen (2): 10-11

G. Schramm (1994): Tuxedo-Schwertträger. DGLZ-Rundschau (1): 14-14

G. Schramm (1994): Mein Erfahrungen mit Albino-Schwertträgern. DGLZ-Rundschau (1): 11-12

G. Schramm (1995): Zeichnungsmunster "halbschwarz-quer" bei Xiphophorus helleri. DGLZ-Rundschau (1): 15-18

G. Schramm (1997): Xiphophorus Zuchtformen aus der Sicht des Züchters. DGLZ-Rundschau (4): 83-86

G. Schramm (1999): Neue Zuchtformen bei den Xiphophorus-Arten. DGLZ-Rundschau (4): 75-77

F. Schröder (1974): Rätsel des Geschlechtwechsels. Aquarien Terrarien (9): 304-305

R, Schultz (2014): King Larytail and the Way there - breeding high-end swordtails. Amazonas (sep/oct): 32-36

R, Schultz (2014): Der Königslyra und der Weg dorthin - Hochzucht bei Schwertträgern. Amazonas (März/April): 24-29

R, Schultz (2015): Histoire du Xipho Lyre Royal. Le Vivipare (125): 22-31

M. Schumer et al (2012): An evaluation of the hybrid speciation hybrid hypothesis for Xiphophorus clemenciae based on whole genome sequences. Evolution (4): 1155-1168

M. Schwab (1982): Genome organization in Xiphophorus (Poeciliidae; Telostei). Molec. Gen. Genetics (188): 410-417

N.S. Scrimshaw (1945): Development in Poeciliid fishes. Biological Bulletin (3): 233-246

O. Seehausen (1988): Levendbarenden als poetsvis. Poecilia Nieuws (1): 14-15

I. Seidel (2010): Weltmarktführer in Sachen Zierfischzucht: Südostasien. Aquaristik Fachmagazin (211): 4-10

R. Serva (2005): The Genus Xiphophorus Part 1, the Swordtails. Livebearers (184): 4-25

R.B. Setlow & A.D. Woodhead (2001): Three unique experimental fish stories: Poecilia (the past), Xiphophorus (the present), and Medaka (the future). Mar. Biotechnol. (3): 17-23

Y. Shen et al (2016): X. couchianus and X. hellerii genome models provide genomic variation insight among Xiphophorus species. BMC Genomics (17:37): 1-13

X. Shen, G. Yang & M. Liao (2007): Development of 51 genomic microsatellite DNA markers of guppy (Poecilia reticulata) and their application in closely related species. Molecular Ecology Notes (7): 302-306

J. da Silva et al (1991): Male sword and female preferences. Science (5026): 1426-1427

L.W. Simmons, M. Beveridge & J.P. Evans (2008): Molecular evidence for multiple paternity in a feral population of green swordtails. Journal of Heredity (6): 610-615

K. Slenzka & B. Proßeckert (1997): Aquaristik auf allerhöchster Ebene. DGLZ-Rundschau (4): 76-77

E. Soto-Galera et al (1998): Fish as indicators of environmental quality in the Río Lerma Basin, México. Aquatic Ecosystem Health and Management (1): 267-276

D. Speirs (1988): Recent studies on swordtail genetics. Livebearers (101): 5-7

D. Speirs (1989): And baby makes 398. Livebearers (104): 3-5

D. Speirs (1989): Over voortplanting bij levendbarenden. Poecilia Nieuws (5): 73-74

H. Stallknecht (1966): Ist die Rückenflosse bei Fahnenschwertträgern geschlechtstypisch?. Aquarien Terrarien (7): 240-240

H. Stallknecht (1968): Zur Beurteilung der Rückenflossen bei hochflossigen Xiphophoriden II. Aquarien Terrarien (3): 80-81

H. Stallknecht (1968): Ethologie hilft richten. Aquarien Terrarien (6): 204-205

H. Stallknecht (1968): Wagtail-Schwertträger vor 1948?. Aquarien Terrarien (7): 245-245

H. Stallknecht (1972): Wo liegt das Problem beim Berliner Schwertträger?. Aquarien Terrarien (3): 78-80

H. Stallknecht (1972): Albinos sind oft heikel. Aquarien Terrarien (9): 284-295

H. Stallknecht (1972): Albinos sind oft heikel. Aquarien Terrarien (9): 294-295

H. Stallknecht (1972): Wo liegt das Problem beim Berliner Schwerttäger?. Aquarien Terrarien (3): 78-80

F. Steindachner (1863): Beiträge zur Kenntniss der Sciaenoiden Brasiliens und der Cyprinodonten Mejicos. Sitzber. Der math.-naturw. Classe der K. Akad. d. Wiss. (48): 17-23

F.H. Stoye (1998): The fishes of the order Cyprinodontes part 3. The livebearers. Livebearers (153): 21-31

R. Strauss (1990): Heterochronic variation in the developmental timing of cranial ossifications in Poeciliid fishes (Cyprinodontiformes). Evolution (6): 1558-1567

R. Strauss (1994): Heterochronic variation in the developmental timing of cranial ossifications in Poeciliid fishes. Livebearers (137): 19-39

G. Takeshita (0): The "escaped" livebearers in Hawaii. Viviparous (33): 0-

G. Takeshita (1972): Kunimoto's hi-fin veiltail sword x variatus hybrids. Livebearers (6): 3-6

G. Takeshita (1972): The "escaped" livebearers in Hawaii. Livebearers (2): 5-9

G. Takeshita (1974): Artificial insemination of fancy swords, variatus and moons. Livebearers (15): 4-7

G. Takeshita (1993): The "escaped" livebearers in Hawaii. Livebearers (132): 20-21

G. Takeshita (2000): Artificial insemination of fancy swords, variatus and moons. Livebearers (161): 17-20

G. Takeshita (2003): Swordtail x guppy hybrid-???. Livebearers (179): 10-17

G. Takeshita (2003): Xiphophorus nezahuacoyotl x X. helleri hybrid. Livebearers (179): 28-30

G. Takeshita (2005): The present status of fancy livebearers in Hawaii. Livebearers (184): 32-35

G. Takeshita (2006): Remarks by Glenn Takeshita. Livebearers (185): 5-6

C.S. Tamaru et.al. (2003): Creating the homozygous genotype for Lyretail swordtails. Tropical Fish Hobbyist (May): 66-70

A. Tatarenkov, C.I.M. Healey & J.C. Avise (2010): Microgeographic population structure of green swordtail fish: differentiation despite abundant migration. Molecular Ecology (19): 257-268

A. Tatarenkov, C.I.M. Healey, G.F. Grether & J.C. Avise (2008): Pronounced reproductive skew in a natural population of green swordtails, Xiphophorus helleri. Molecular Ecology (17): 4522-4534

W.N. Tavolga (1949): Embryonic development of the platyfish (Platypoecilus), the swordtail (Xiphophorus) and their hybrids. Bulletin American Museum of Natural History (94): 161-230

A.B. Taylor (1948): Experimental sex reversal in the red swordtail hybrid Xiphophorus-platypoecilus. Transactions of the American Microscopical Society (2): 155-164

U. Teich (1970): Hinweise zur Zucht von Drachenschwertträgern. Aquarien Terrarien (7): 240-240

B.C. Teixeira Pinto & F. Gerson Araújo (2007): Assessing of biotic integrity of the fish community in a heavily impacted segment of a tropical river in Brazil. Brazilian Archives of Biology and Technology (3): 489-502

K.W. Thompson (1995): Functional sex reversal in swordtails. Viviparous (31): 0-

C. Tolmeijer (1937): Een interessante nieuwe varieteit. Aqua Terra (3): 48-50

W.A. Tomey (2014): Vergeten wildvormen van het geslacht Xiphophorus helleri en meer. Het Aquarium (7/8): 28-36

B.C. Trainor & A.L. Basolo (2000): An evaluation of video playback using Xiphophorus helleri. Anim. Behav. (59): 83-89

B.C. Trainor & A.L. Basolo (2006): Location, location, location: stripe position effects on female sword preference. Anim. Behav. (71): 135-140

M. Trauzettel (1988): Gefleckte Zeichnungsmuster(s). ZAG Lebendgebärende Zahnkarpfen (3): 7-8

M. Trauzettel (1991): Geschlechtsgebundene Vererbung bei Xiphophorus-Zuchtformen. DGLZ-Rundschau (2): 35-36

K.W. Trochu (1999): Hifin swordtails. Livebearers (155): 33-33

K.W. Trochu (2016): Fancy swords: what is new. Livebearers (230): 5-7

Q.M. Tucket et al (2016): Variation in cold tolerance in escaped and farmed non-native green swordtails revealed by laboratory trials and field introductions. Biol Invasions (18): 45-56

H.H. Vallowe (1957): Sexual differentiation in the Teleost fish Xiphophorus hellerii, as modified by experimental treatment. Biological Bulletin (112): 422-429

E. Velázquez-Velázquez et al (2016): Checklist of the continental fishes of the state of Chiapas, Mexico and their distribution. ZooKeys (632): 99-120

J.R. Vielkind (1992): Progression from pigment cell patterns to melanomas in platyfish-swordtail hybrids - multiple genetic changes and a them for tumorigenesis. Transformation of Human Epithelial Cells (): 285-301

J.R. Vielkind et al. (1993): A Monoclonal Antibody Derived from the Melanoma Gene in the Xiphophorus Melanoma Model. American Journal of Pathology (3): 656-662

D. Voeste et al (1998): Die Schwertträgerzucht am Kennedy Space Center. DATZ (5): 295-298

G. Vogel (1994): Nur ein gefleckter Schwertträger. DGLZ-Rundschau (4): 83-84

D. Vogt (1979): Sulawesi - eine Insel jenseits der Wallace-Linie II. DATZ (11): 366-370

U. Wagenknecht (2012): Der Yacatan-Schwertträger. Das Lebendgebärenden Magazin (1): 26-29

C. Walling, N. Royle, J. Lindström & N. Metcalfe (2008): Experience-induced preference for short-sworded males in the green swordtail, Xiphophorus helleri. Anim. Behav. (76): 271-279

C. Walling, N. Royle, J. Lindström & N. Metcalfe (2010): Do female association preferences predict the likelihood of reproduction?. Behav Ecol Sociobiol (64): 541-548

C.A. Walling, N.J. Royle, N.B. Metcalfe & J. Lindström (2007): Green swordtails alter their age at maturation in response to the population level of male ornamentation. Biol. Lett. (3): 144-146

C.T. Watson et al (2010): Genomic organization of duplicated short wave-sensitive and long wave-sensitive opsin genes in the green swordtail, Xiphophorus helleri. BMC Evolutionary Biology (10): 1-17

R. Weber & M. Meyer (1993): Hochflosser und andere Formen bei Xiphophorus variatus. Das Aquarium (februari): 21-

H. Weinhause (1911): Eine Varität von Xiphophorus rachovii Regan.. Wochenschrift für Aquarien und Terrarienkunde (): 775-776

U. Werner (1991): Was sind schon Schwertträger...?!. TI (107): 11-15

J.J. Wiens & M.R. Morris (1996): Character definitions, sexual selection, and the evolution of swordtails. American Naturalist (5): 866-869

U. Wilhelmi (1975): Über die Einfluß sozialer Isolation auf die Rangordnungskämpfe männlicher Schwertträger (Xiphophorus helleri). Z. Tierpsychol. (38): 482-504

A.S. Wilkins (2004): Deciphering the swordtail's tale: a molecular and evolutionary quest. BioEssays (26): 116-119

L. Wischnath (0): Le Rio Atoyac au Mexique, le berceau de raretés aquariophiles. Aquarama (): 11-15

L. Wischnath (1978): Wildvormen van zwaarddragers. TI'H (14): 5-8

L. Wischnath (1981): Naar Mexico, het land van de levendbarende vissen. TI'H (24): 35-37

L. Wischnath (1981): Drie zeldzame zwaarddragers: wildvormen uit Mexico. TI'H (24): 38-39

L. Wischnath (1983): Gele en rode wildvormen van het geslacht Xiphophorus. Het Aquarium (9): 220-223

L. Wischnath (1983): Rode wildvormen van Xiphophorus helleri. TI'H (33): 11-11

L. Wischnath (1983): Xiphophorus helleri - de Belize populatie. TI'H (33): 10-11

L. Wischnath (1995): Zwaarddrager-wildvormen, 1. Het Aquarium (11): 256-259

L. Wischnath (1996): De kweekvormen van het geslacht Xiphophorus Deel 3. Het Aquarium (7): 180-182

L. Wischnath (1996): De kweekvormen van het geslacht Xiphoporus Deel 1. Het Aquarium (5): 126-130

L. Wischnath & M. Meyer (1985): Xiphophorus-Natur-Hybriden. DGLZ-Rundschau (1): 15-17

L. Wischnath & M. Meyer (1985): Rote Varietäten von Xiphophorus helleri. DGLZ-Rundschau (1): 18-21

O. Wojtkowiak (1986): Swordtails: my favorite livebearer. Livebearers (86): 3-4

R.P.E. Yanong, J.E. Hill, C.J. Daniels & C.A. Watson (2006): Efficacy of 17-α-Methyltestosterone for expression of male secondary sexual charracteristics in the green swordtail. North American Journal of Aquaculture (68): 224-229

G.H. Yue & L. Orban (2004): Novel microsatellites from the green swordtail (Xiphophorus hellerii) also display polymorphism in guppy (Poecilia reticulata). Molecular Ecology Notes (4): 474-476

R. Zayan (1976): Modification des effets liés à priorité de résidence chez Xiphophorus (Pisces: Poeciliidae): le rôle de l'isolement et des différences de taille. Z. Tierpsychol. (41): 142-190

K. Zunker, J.T. Epplen & M. Schartl (2006): Genomic stability in malignant melanoma of Xiphophorus. Melanoma Research (2): 105-113

Xiphophorus kallmani Meyer & Schartl, 2003

H. Auer (2012): Von fastende Koyoten und großen Ichthyologen - Keine Namenskunde von den Schwertträgern. Das Lebendgebärenden Magazin (1): 22-25

T. Coletti (2010): Livebearer unlimited The southern swordtails. Tropical Fish Hobbyist (Feb): 32-34

H. Hieronimus (2004): Ein neuer, alter bekannter: Xiphophorus kallmani Meyer & Schartl, 2003. DGLZ-Rundschau (1): 13-13

H. Hieronimus (2008): Neues vom Catemacosee - Heterandria tuxtlaensis als neuer endemischer Poeciliide. DGLZ-Rundschau (3): 55-57

D. Hughes-Phillips (2009): Mexico - March 2006. Livebearer News (26): 19-32

K. de Jong (2005): Drie nieuwe zwaarddragers beschreven. Poecilia Nieuws (1): 18-19

M. Köck (2012): Mit und ohne Schwert: Die Gattung Xiphophorus Teil 1: Die SüdlichenSchwertträger. Das Lebendgebärenden Magazin (1): 12-21

M. Köck (2012): Het geslacht Xiphophorus. Poecilia Nieuws (3): 11-27

M.K. Meyer & M. Schartl (2003): Xiphophorus kallmani sp.n. - a new species of swordtail from Mexico. Zoologische Abhandlungen, Staatliches Museum fur Tierkunde Dresden (53): 57-64

Xiphophorus 'kosszanderi'

G. Daul (1982): Zu: "Zwei neue Xiphophorusarten aus Nuevo Leon, Mexico". DGLZ-Rundschau (3): 36-37

H. Hieronimus (1990): Zum Thema Kreuzungen bei Lebendgebärenden. DGLZ-Rundschau (4): 6-7

W. Ladiges (1982): Xiphophorus kosszanderi, de gevlekte platy Meyer & Wischnath 1981. TI'H (29): 37-37

L.Z. de Liefde (1996): Xiphophorus 'kosszanderi' of toch X. xiphidium. Poecilia Nieuws (1): 16-22

M.K. Meyer (1983): Xiphophorus-Hybriden aus Nord-Mexiko, mit einer Revision der Taxa X. kosszanderi und X. roseni. Zoologische Abhandlungen, Staatliches Museum fur Tierkunde Dresden (18): 285-291

M.K. Meyer (1984): Xiphophorus-Hybriden aus Nord_Mexiko, mit einer Revision der Taxa X. kosszanderi und X. roseni. DGLZ-Rundschau (2): 31-37

M.K. Meyer (1984): Natuurlijke hybriden bij Xiphophorus. TI'H (38): 35-35

M.K. Meyer & L. Wischnath (1982): Zwei neue Xiphophorus-Arten aus Nuevo Leon, Mexico. DGLZ-Rundschau (1): 9-14

H. Stallknecht (1984): Xiphophorus xiphidium - fundort vorläufig fraglicht. Aquarien Terrarien (9): 315-315

L. Wischnath & M. Meyer (1985): Xiphophorus-Natur-Hybriden. DGLZ-Rundschau (1): 15-17

Xiphophorus maculatus (Günther, 1866)

(1991): Plumetail problems. Livebearers (115): 3-6