Volga undermouth (Chondrostoma variabile) fish species and information / pictures of Volga undermouth - Chondrostoma variabile

Volga undermouth (Chondrostoma variabile) fish species information

Scientific Name
Chondrostoma variabile

Common Name
Volga undermouth

Biology
Diagnosed from congeners in Black and Caspian Sea basins by having straight or slightly arched mouth, 9? branched dorsal rays, 50-62 scales on lateral line, usually 10? branched anal rays, and large eye, diameter 50-65% of interorbital distance (Ref. 59043).

Classification

Classified By

Yakovlev, 1870

Class

Ray-finned fishes (Actinopterygii)

Order

Carps (Cypriniformes)

Family

Minnows or carps (Cyprinidae)

Distribution

Region

Europe and Asia

Distribution

Europe and Asia: Capian basin, in Emba, Ural and Volga drainages (with Oka and Kama); Black Sea basin, in Don drainage.

Range

Unknown

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; brackish; benthopelagic

Trophic Level

2.61 s.e. 0.23 Based on size and trophs of closest relatives

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

35.0 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

Fisheries:

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

Least Concern (LC)