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

Caspian shad (Alosa caspia caspia) fish species information

Scientific Name
Alosa caspia caspia

Common Name
Caspian shad

Biology
Dorsal spines (total): 0; Anal spines: 0. Body `shad-like', usually rather deep and compressed. Total gill rakers 50 to 180, long and thin, distinctly longer than filaments. Teeth poorly developed in jaws, sometimes barely detectable. A black spot posterior to gill opening and occasionally further black spots on flank in some cases.

Classification

Classified By

Eichwald, 1838

Class

Ray-finned fishes (Actinopterygii)

Order

Herrings (Clupeiformes)

Family

Herrings, shads and sardines (Clupeidae)

Distribution

Region

Eurasia

Distribution

Eurasia: Black Sea, Sea of Azov and Caspian Sea.

Range

48°N - 37°N, 27°E - 54°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-neritic

Environment

Marine; freshwater; brackish; pelagic-neritic; anadromous (Ref. 51243)

Trophic Level

3.47 s.e. 0.46 Based on food items.

Occurs in Marine / Salt water

True

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

32.0 cm

Common Length

20.0 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

Moderate vulnerability (39 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (tmax=7)

Threat To Humans

Harmless

IUCN Red List Status