Red River pupfish (Cyprinodon rubrofluviatilis)

Scientific name: Cyprinodon rubrofluviatilis Fowler, 1916

The Red River pupfish (Cyprinodon rubrofluviatilis) is a freshwater fish of the family Cyprinodontidae. In the aquarium it needs water at 10–30°C (50–86°F). Native range: North America, found only in upper Red and Brazos River drainages in Oklahoma and Texas, USA.

Red River pupfish care at a glance

Temperature: 10–30°C (50–86°F)

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. Consumes midge and other insect larvae. Not a seasonal killifish. Is difficult to maintain in aquarium.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name: Cyprinodon rubrofluviatilis
Family: Cyprinodontidae (Pupfishes)
Order: Cyprinodontiformes (Live bearers, Killifishes and Rivulines)
Class: Actinopterygii (Ray-finned fishes)
Maximum length: 6.0
Common length: 3.3
Environment: Freshwater; benthopelagic; non-migratory
Climate: Temperate
Distribution: North America: found only in upper Red and Brazos River drainages in Oklahoma and Texas, USA.
Conservation status (IUCN): Not Evaluated
Threat to humans: Harmless
Uses: Aquarium: commercial
Resilience: High, minimum population doubling time less than 15 months (Assuming tm