Lahontan redside (Richardsonius egregius) fish species and information / pictures of Lahontan redside - Richardsonius egregius

Lahontan redside (Richardsonius egregius) fish species information

Scientific Name
Richardsonius egregius

Common Name
Lahontan redside

Biology
Inhabits all types of stream habitats but most common in pools and slow runs, and margins of lakes.

Classification

Classified By

Girard, 1858

Class

Ray-finned fishes (Actinopterygii)

Order

Carps (Cypriniformes)

Family

Minnows or carps (Cyprinidae)

Distribution

Region

North America

Distribution

North America: Lahontan and other interior basins in northern and western Nevada and northern California, USA including Humboldt, Walker, Carson, Truckee, Susan, Quinn and Reese River systems; Walker, Tahoe and Pyramid Lakes; also in upper Sacramento River systems in California, where possibly introduced.

Range

42°N - 37°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

benthopelagic

Environment

Freshwater; benthopelagic

Trophic Level

2.87 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

17.0 cm

Common Length

7.2 cm

Phylogenetic Diversity Index

PD50 = 0.7500 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 (27 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (tmax=5)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated