Scientific Name
Alosa volgensis

Common Name
Volga shad

Biology
Occurs in a wide variety of marine habitats; migrate to delta and lower reaches of large rivers and spawns in main channel. Feeds on a wide variety of zooplankton (e.g. crustaceans) and small fish. Enters rivers with ripe gonads. Eggs are pelagic (Ref. 59043).

Classification

Classified By

Berg, 1913

Class

Ray-finned fishes (Actinopterygii)

Order

Herrings (Clupeiformes)

Family

Herrings, shads and sardines (Clupeidae)

Distribution

Region

Europe

Distribution

Europe: Russian Federation.

Range

Unknown

Environment

Climate

Boreal

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

pelagic

Environment

Freshwater; brackish; pelagic; anadromous (Ref. 59043)

Trophic Level

3.66 s.e. 0.59 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 (33 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (tm=2-3)

Threat To Humans

Harmless

IUCN Red List Status

Endangered (EN) (B2ab(iii,v))