Cyprinodon rubrofluviatilis Fowler, 1916
Red River pupfish
Cyprinodon rubrofluviatilis
photo by Thomas, C.

Family:  Cyprinodontidae (Pupfishes), subfamily: Cyprinodontinae
Max. size:  6 cm TL (male/unsexed)
Environment:  benthopelagic; freshwater, non-migratory
Distribution:  North America: found only in upper Red and Brazos River drainages in Oklahoma and Texas, USA.
Diagnosis:   
Biology:  Inhabits shallow, sandy pools and runs of headwaters, creeks, and small to medium rivers. Often found in extremely shallow and hot (to 37°C) water (Ref. 5723). Consumes midge and other insect larvae (Ref. 79012). Not a seasonal killifish. Is difficult to maintain in aquarium (Ref. 27139).
IUCN Red List Status: Least Concern (LC); Date assessed: 22 November 2011 Ref. (130435)
Threat to humans:  harmless


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