Xiphophorus continens

Xiphophorus continens, also known as El Quince swordtail or short-sword platyfish, is a live bearing freshwater fish in the family Poeciliidae.[2] It is endemic to the Pánuco River basin in east-central Mexico.[3] Its name comes from the Greek conto, meaning short, and Latin ensis, meanin "sword". due to the species' sword size in males.[2]

Xiphophorus continens
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Cyprinodontiformes
Family: Poeciliidae
Genus: Xiphophorus
Species:
X. continens
Binomial name
Xiphophorus continens
Rauchenberger et al., 1990

Description

X. continens reaches up to 3.5 cm (1.4 in) in total length.[3] It is a small, slender species, with a slender caudal peduncle and with a midlateral stripe. The maximum length of the sword is 1 mm (0.04 in). It has a hook on its gonopodium; distal serrae; its grave spot, when present, is only visible under 10X magnification; no xanthophore or pterinophore pigment patterns.[2]

Distribution

Headwaters of the Rio Ojo Frio, north of Damian Carmona, Pánuco River drainage, San Luis Potosí.

References
  1. Mercado Silva, N. (2019). "Xiphophorus continens". IUCN Red List of Threatened Species. 2019: e.T191777A2002890. doi:10.2305/IUCN.UK.2019-2.RLTS.T191777A2002890.en.
  2. Rauchenberger, Mary, Klaus D. Kallman, and Donald C. Morizot. "Monophyly and geography of the Río Pánuco Basin swordtails (genus Xiphophorus) with descriptions of four new species. American Museum Novitates;; no. 2975." (1990).
  3. "Xiphophorus continens". FishBase. Retrieved 31 Mar 2013.

Further reading


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