Volga shad (Alosa volgensis) fish species and information / pictures of Volga shad - Alosa volgensis

Volga shad (Alosa volgensis) fish species information

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))