alverezi andersi birchmanni clemenciae continens cortezi Rio Huichihuayan couchianus evelynae gordoni helleri fancy wild kallmani maculatus malinche mayae

meyeri milleri mixei montezumae Rio Tamasopo monticolus multilineatus nezahualcoyotl nigrensis pygmaeus signum variatus evelynae Subspecies locations varieties x-hydbrids variatus x nezahualcoyotl xiphidium xrefs 1937 Gordon Heritable color variations in the Mexican Swrdtail fish 1980 Wakamatsu TWO TYPES OF MELANOMAS IN A NEW EXPERIMENTAL SYSTEM OF PLATYFISH SWORDTAIL HYBRIDS 1989 Zimmerer GENETIC BASIS FOR ALTERNATIVE REPRODUCTIVE TACTICS IN THE PYGMY SWORDTAIL, XIPHOPHORUS NIGRENSIS 1992 Ryan A Genetic Polymorphism in the Swordtail Xiphophorus nigrensis: Testing the Prediction of Equal Fitnesses 2001 Figuroa Mhc class I genes of swordtail fishes, Xiphophorus: variation in the number of loci and existence of ancient gene families 2006 Meyer Hybrid origin of a swordtail species (Teleostei: Xiphophorus 2006 Rodriguez Genetic variation and phylogeography of the swordtail fish Xiphophorus cortezi (Cyprinodontiformes, Poeciliidae) 2008 Bai The complete mitochondrial genome of the RR-B strain of swordtail (Xiphophorus helleri) 2020 Powell Natural hybridization reveals incompatible alleles that cause melanoma in swordtail fish 2020 Schartl The developmental and genetic architecture of the sexually selected male ornament of swordtails goliad Introducing-a-dominant-gene