Bighead pupfish (Cyprinodon pachycephalus) fish species and information / pictures of Bighead pupfish - Cyprinodon pachycephalus

Bighead pupfish (Cyprinodon pachycephalus) fish species information

Scientific Name
Cyprinodon pachycephalus

Common Name
Bighead pupfish

Biology
Not a seasonal killifish. Is very difficult to maintain in aquarium (Ref. 27139).

Classification

Classified By
Minckley & Minckley, 1986
Class
Ray-finned fishes (Actinopterygii)
Order
Live bearers, Killifishes and Rivulines (Cyprinodontiformes)
Family
Pupfishes (Cyprinodontidae)

Distribution

Region
Central America
Distribution
Central America: R?o Conchos, Mexico.
Range
Unknown

Environment

Climate
Tropical
Water Temperature From
24 °C
Water Temperature To
28 °C
Depth From - meters
Unknown m
Depth To - meters
Unknown m
Zone
benthopelagic
Environment
Freshwater; benthopelagic; non-migratory
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
Unknown 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 (30 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
  Critically Endangered (CR) (A1abc+2bc, B1+2c, C2b)