Caspian marine shad (Alosa braschnikowi) fish species and information / pictures of Caspian marine shad - Alosa braschnikowi

Caspian marine shad (Alosa braschnikowi) fish species information

Scientific Name
Alosa braschnikowi

Common Name
Caspian marine shad

Biology
Occurs in brackish water and non-anadromous, but strongly migratory. Feeds on small clupeids, gobies, atherines, also crustaceans and occasionally insects and mollusks. Spawning patterns among the subspecies vary but occur mostly in spring and summer after an inshore migration and movement northward.

Classification

Classified By

Borodin, 1904

Class

Ray-finned fishes (Actinopterygii)

Order

Herrings (Clupeiformes)

Family

Herrings, shads and sardines (Clupeidae)

Distribution

Region

Former USSR and Asia

Distribution

Former USSR and Asia: Caspian Sea.

Range

48°N - 35°N, 45°E - 56°E

Environment

Climate

Temperate

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

pelagic

Environment

Brackish; pelagic; oceanodromous

Trophic Level

3.74 s.e. 0.58 Based on food items.

Occurs in Marine / Salt water

False

Occurs in Brackish water

True

Occurs in Fresh Water

False

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

50.0 cm

Common Length

30.0 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: highly commercial

Vulnerability

Low to moderate vulnerability (34 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

Not Evaluated