Owens pupfish (Cyprinodon radiosus) fish species and information / pictures of Owens pupfish - Cyprinodon radiosus

Owens pupfish (Cyprinodon radiosus) fish species information

Scientific Name
Cyprinodon radiosus

Common Name
Owens pupfish

Biology
Occurs in marshes, vegetated sloughs and backwaters of Owens River. 7.2 cm max TL (Ref. 5723). Not a seasonal killifish. Is difficult to maintain in aquarium. 4 cm max TL (Ref. 27139).

Classification

Classified By
Miller, 1948
Class
Ray-finned fishes (Actinopterygii)
Order
Live bearers, Killifishes and Rivulines (Cyprinodontiformes)
Family
Pupfishes (Cyprinodontidae)

Distribution

Region
North America
Distribution
North America: found only in Owens Valley in southern California, USA.
Range
38°N - 37°N

Environment

Climate
Subtropical
Water Temperature From
22 °C
Water Temperature To
30 °C
Depth From - meters
Unknown m
Depth To - meters
Unknown m
Zone
benthopelagic
Environment
Freshwater; benthopelagic; non-migratory
Trophic Level
2.96 s.e. 0.33 Based on size and trophs of closest relatives
Occurs in Marine / Salt water
False
Occurs in Brackish water
False
Occurs in Fresh Water
True
Occurs on Reefs
False
Is kept in Aquariums
True

Physical Size and Genetics

Maximum Length
4.0 cm
Common Length
3.8 cm
Phylogenetic Diversity Index
PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Aquarium: commercial
Vulnerability
Low to moderate vulnerability (26 of 100)
Resilience
High, minimum population doubling time less than 15 months (tmax=2)
Threat To Humans
  Harmless
IUCN Red List Status
  Endangered (EN) (B1ab(iii))