Scientific Name
Cyprinodon nevadensis amargosae

Common Name
Amargosa River pupfish

Biology
Not a seasonal killifish. Is difficult to maintain in aquarium (Ref. 27139). Feeds primarily on blue-green cyanobacteria, but also ingest lesser quantities of small invertebrates (mostly chironomid larvae, ostracods, and copepods). They forage continuously during the day but become inactive during the night (www.death-valley.us).

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: Amargosa River in California, USA.

Range

Unknown

Environment

Climate

Subtropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

benthopelagic

Environment

Freshwater; benthopelagic; non-migratory

Trophic Level

2.07 s.e. 0.08 Based on diet studies.

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

5.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = No PD50 data 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 (32 of 100)

Resilience

High, minimum population doubling time less than 15 months (Assuming tm

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated