Owens pupfish (Cyprinodon radiosus)

Scientific name: Cyprinodon radiosus Miller, 1948

The Owens pupfish (Cyprinodon radiosus) is a freshwater fish of the family Cyprinodontidae. In the aquarium it needs water at 22–30°C (72–86°F). Native range: North America, found only in Owens Valley in southern California, USA.

Owens pupfish care at a glance

Temperature: 22–30°C (72–86°F)

Biology

Occurs in marshes, vegetated sloughs and backwaters of Owens River. 7.2 cm max TL. Not a seasonal killifish. Is difficult to maintain in aquarium. 4 cm max TL.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name: Cyprinodon radiosus
Family: Cyprinodontidae (Pupfishes)
Order: Cyprinodontiformes (Live bearers, Killifishes and Rivulines)
Class: Actinopterygii (Ray-finned fishes)
Maximum length: 4.0
Common length: 3.8
Environment: Freshwater; benthopelagic; non-migratory
Climate: Subtropical
Distribution: North America: found only in Owens Valley in southern California, USA.
Conservation status (IUCN): Endangered (EN) (B1ab(iii))
Threat to humans: Harmless
Uses: Aquarium: commercial
Resilience: High, minimum population doubling time less than 15 months (tmax=2)