Russian river tule perch (Hysterocarpus traskii traskii) fish species and information / pictures of Russian river tule perch - Hysterocarpus traskii traskii

Russian river tule perch (Hysterocarpus traskii traskii) fish species information

Scientific Name
Hysterocarpus traskii traskii

Common Name
Russian river tule perch

Biology
Adults inhabit mud to gravel-bottomed pools and runs of small to large, low-elevation rivers and lakes. Usually occurs near emergent aquatic plants or overhanging banks. Rarely enters brackish water (Ref. 5723). Viviparous, female carries the developing young (Ref. 205).

Classification

Classified By

Gibbons, 1854

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Surfperches (Embiotocidae)

Distribution

Region

North America

Distribution

North America: Clear Lake; Russian, Sacramento-San Joaquin, and Pajaro-Salinas River drainages in California, USA.

Range

41°N - 36°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; brackish; demersal

Trophic Level

3.27 s.e. 0.52 Based on diet studies.

Occurs in Marine / Salt water

False

Occurs in Brackish water

True

Occurs in Fresh Water

True

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

15.0 cm

Common Length

Unknown 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 to moderate vulnerability (28 of 100)

Resilience

High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Threat To Humans

  Harmless

IUCN Red List Status

  Not Evaluated