California roach (Hesperoleucus symmetricus) fish species and information / pictures of California roach - Hesperoleucus symmetricus

California roach (Hesperoleucus symmetricus) fish species information

Scientific Name
Hesperoleucus symmetricus

Common Name
California roach

Biology
Inhabits rocky pools of headwaters, creeks and small to medium rivers.

Classification

Classified By
Baird & Girard, 1854
Class
Ray-finned fishes (Actinopterygii)
Order
Carps (Cypriniformes)
Family
Minnows or carps (Cyprinidae)

Distribution

Region
North America
Distribution
North America: Sacramento-San Joaquin and Pajaro-Salinas River drainages in California, USA.
Range
43°N - 35°N

Environment

Climate
Temperate
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
Unknown m
Depth To - meters
Unknown m
Zone
demersal
Environment
Freshwater; demersal
Trophic Level
2.9 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
False

Physical Size and Genetics

Maximum Length
11.0 cm
Common Length
8.3 cm
Phylogenetic Diversity Index
PD50 = 1.0000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Unknown
Vulnerability
Low vulnerability (24 of 100)
Resilience
High, minimum population doubling time less than 15 months (K=0.5)
Threat To Humans
  Harmless
IUCN Red List Status
  Not Evaluated