Northern platyfish

The northern platyfish (Xiphophorus gordoni) is a small, endangered species of fish in the family Poeciliidae.[2] It is endemic to the vicinity of Cuatro Ciénegas in the Mexican state of Coahuila. It is restricted to hot-spring heated ditches and marshes of the Laguna Santa Tecla. Its native water is shallow and vegetation-choked, with very stable temperatures that generally are around 27–30 °C (81–86 °F), although captive studies show the species also can live in slightly colder water.[1][3][4][5]

Northern platyfish
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Cyprinodontiformes
Family: Poeciliidae
Genus: Xiphophorus
Species:
X. gordoni
Binomial name
Xiphophorus gordoni

The species is primarily threatened by habitat loss due to construction of irrigation channels.[1] Captive "safety" populations are kept at the Xiphophorus Genetic Stock Center, Texas State University, United States,[1] and by XNP conservation project members, which include public aquariums, universities and private aquarists in several European countries and the United States.[6][7][8]

It was named in honor of Myron Gordon by Robert Rush Miller and W. L. Minckley who discovered it with Carl Hubbs on a 1961 expedition.[3][9] The northern platyfish shares the title as northernmost naturally distributed Xiphophorus with the closely related Monterrey platyfish (X. couchianus) and marbled swordtail (X. meyeri).[4][10]

References
  1. Matamoros, W.A.; Hendrickson, D.; Vega-Cendejas, M. (2019). "Xiphophorus gordoni". IUCN Red List of Threatened Species. 2019: e.T23157A2784873. doi:10.2305/IUCN.UK.2019-2.RLTS.T23157A2784873.en. Retrieved 15 November 2021.
  2. Froese, Rainer; Pauly, Daniel (eds.) (2019). "Xiphophorus gordoni" in FishBase. April 2019 version.
  3. "Xiphophorus gordoni, a New Species of Platyfish from Coahuila, Mexico" (PDF). Desert Fishes.org. Retrieved 6 July 2017.
  4. Ceballos, G.; E.D. Pardo; L.M Estévez; H.E. Pérez, eds. (2016). Los peces dulceacuícolas de México en peligro de extinción. Fondo de Cultura Económic. pp. 48, 280. ISBN 978-607-16-4087-1.
  5. "Northern Platyfish Husbandry Manual". Österreichischen Verband für Vivaristik und Ökologie. Retrieved 17 January 2022.
  6. "XNP project annual report – year 3". Österreichischen Verband für Vivaristik und Ökologie. Retrieved 17 January 2022.
  7. "XNP project expanding". Österreichischen Verband für Vivaristik und Ökologie. Retrieved 17 January 2022.
  8. "Transfer of fish from Würzburg University to Ostrava ZOO". Österreichischen Verband für Vivaristik und Ökologie. Retrieved 17 January 2022.
  9. Christopher Scharpf & Kenneth J. Lazara (22 September 2018). "Order CYPRINODONTIFORMES: Families POECILIIDAE, ANABLEPIDAE, VALENCIIDAE, APHANIIDAE and PROCATOPODIDAE". The ETYFish Project Fish Name Etymology Database. Christopher Scharpf and Kenneth J. Lazara. Retrieved 6 December 2021.
  10. 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): 25. doi:10.1186/1471-2148-13-25. PMC 3585855. PMID 23360326.
  • Some Like it Hot:The Cuatrocienegas Platy, Ted Dengler Coletti, PhD, Pgs 36 and 37, Tropical Fish Hobbyist, May 2009


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