Xiphophorus couchianus (Girard, 1859)
Monterrey platyfish
Xiphophorus couchianus
photo by Nilsson, K.

Family:  Poeciliidae (Poeciliids), subfamily: Poeciliinae
Max. size:  4 cm TL (male/unsexed); 6 cm TL (female)
Environment:  benthopelagic; freshwater, non-migratory
Distribution:  North America: Río San Juan ecoregion in Mexico.
Diagnosis:   
Biology:  Used for genetic studies.
IUCN Red List Status: Extinct in the Wild (EW); Date assessed: 26 October 2018 Ref. (130435)
Threat to humans:  harmless


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