Xiphophorus nigrensis
Panuco Swordtail
Collection Details
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Taxonomic Hierarchy
Actinopterygii (Ray-finned Fishes)
Cyprinodontiformes
Poeciliidae (Livebearers)
Xiphophorus
Xiphophorus nigrensis (Panuco Swordtail)
Description
This species account was compiled from
FishBase (Froese, R. and D. Pauly. Editors. 2025. FishBase. World Wide Web electronic publication. www.fishbase.org, version 04/2025.)
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Characters
Body shape: fusiform / normal.
Distribution
Central America: Rio Choy of the Rio Panuco basin in San Luis Potosi, Mexico.
Habitat Associations
Freshwater. benthopelagic.
Biology
Inhabits fast-flowing river segments with steep banks and overhanging bank vegetation.
Max length: 6.0 cm TL.
Reproductive mode: dioecism; fertilization: internal (oviduct); bearers (internal live bearers). After a gestation period of 24-28 days, female drops 10-15 young, rarely 20.
IUCN Red List Status: Data Deficient (DD), assessed 2018-03-29. Resilience: High (Preliminary K or Fecundity.).
Commercial or Environmental Importance
Fisheries: commercial; aquarium: commercial.
References
Wischnath, L. (1993) Atlas of livebearers of the world. T.F.H. Publications, Inc., United States of America. 336 p.
Comments On Xiphophorus nigrensis