Scientific Name
Cyprinodon nevadensis nevadensis

Common Name
Amargosa pupfish

Biology
Occurs in springs, their effluents, and spring-fed ponds and lakes. 7.8 cm max TL (Ref. 5723). Not a seasonal killifish. Is difficult to maintain in aquarium (Ref. 27139).

Classification

Classified By

Eigenmann & Eigenmann, 1889

Class

Ray-finned fishes (Actinopterygii)

Order

Live bearers, Killifishes and Rivulines (Cyprinodontiformes)

Family

Pupfishes (Cyprinodontidae)

Distribution

Region

North America

Distribution

North America: known only from Saratoga Springs and adjoining lakes, Death Valley National Monument, California, USA.

Range

37°N - 36°N

Environment

Climate

Subtropical

Water Temperature From

25 °C

Water Temperature To

32 °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

benthopelagic

Environment

Freshwater; ; pH range: 7.5 - 8.0; dH range: 13 - 19 benthopelagic

Trophic Level

2.94 s.e. 0.32 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

5.0 cm

Common Length

4.5 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 (32 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated