Marbled swordtail

Marbled swordtail
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Cyprinodontiformes
Family: Poeciliidae
Genus: Xiphophorus
Species: X. meyeri
Binomial name
Xiphophorus meyeri
Schartl & Schröder, 1988

The marbled swordtail (Xiphophorus meyeri) is a species of freshwater fish in the family Poeciliidae. It is endemic to the Rio Salado system (itself a part of the Rio Grande basin) in northeastern Mexico.[2][3]

The marbled swordtail is considered an endangered species by the IUCN.[1] The Monterrey platyfish shares the title as northernmost naturally distributed Xiphophorus with the closely related Monterrey platyfish (X. couchianus) and northern platyfish (X. gordoni), which are two species that also are restricted to small parts of the Rio Grande basin and seriously threatened.[3][4]

References

  1. 1 2 Contreras-Balderas, S. & Almada-Villela, P. (1996). "Xiphophorus meyeri". The IUCN Red List of Threatened Species. IUCN. 1996: e.T23158A9424014. doi:10.2305/IUCN.UK.1996.RLTS.T23158A9424014.en. Retrieved 21 December 2017.
  2. ↑ Froese, Rainer and Pauly, Daniel, eds. (2018). "Xiphophorus meyeri" in FishBase. September 2018 version.
  3. 1 2 Ceballos, G.; E.D. Pardo; L.M Estévez; H.E. Pérez, eds. (2016). Los peces dulceacuícolas de México en peligro de extinción. p. 283. ISBN 978-607-16-4087-1.
  4. ↑ 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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