Family: |
Cyprinodontidae (Pupfishes), subfamily: Cyprinodontinae |
Max. size: |
5 cm TL (male/unsexed) |
Environment: |
benthopelagic; freshwater, non-migratory |
Distribution: |
North America: Rio Grande drainage in Texas in the USA, from Devils River to mouth of Rio Conchos. Also in Rio Conchos system and endorheic Rio Sauz basin in Mexico. |
Diagnosis: |
|
Biology: |
Occurs in sloughs, backwaters, and margins of small to medium rivers (avoiding hot springs). 5 cm max TL (Ref. 5723). Not a seasonal killifish. Is difficult to maintain in aquarium (Ref. 27139). |
IUCN Red List Status: |
Least Concern (LC); Date assessed: 07 September 2018 Ref. (130435)
|
Threat to humans: |
harmless |
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