Xiphophorus nigrensis
Xiphophorus nigrensis | |
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Scientific classification ![]() | |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Actinopterygii |
Order: | Cyprinodontiformes |
Family: | Poeciliidae |
Genus: | Xiphophorus |
Species: | X. nigrensis |
Binomial name | |
Xiphophorus nigrensis D. E. Rosen, 1960 | |
Xiphophorus nigrensis is a species of fish in the Poeciliidae family that is endemic to a small part of the Pánuco River basin in Mexican.[1][2]
References
- ↑ "Xiphophorus nigrensis". Retrieved 12 Sep 2012.
- ↑ Kang, J.H.; M. Schartl; R.B. Walter; A. Meyer (2013). "Comprehensive phylogenetic analysis of all species of swordtails and platies (Pisces: Genus Xiphophorus) uncovers a hybrid origin of a swordtail fish, Xiphophorus monticolus, and demonstrates that the sexually selected sword originated in the ancestral lineage of the genus, but was lost again secondarily". BMC Evolutionary Biology. 13 (25). doi:10.1186/1471-2148-13-25.
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