Amur sturgeon (Acipenser schrenckii) fish species and information / pictures of Amur sturgeon - Acipenser schrenckii

Amur sturgeon (Acipenser schrenckii) fish species information

Scientific Name
Acipenser schrenckii

Common Name
Amur sturgeon

Biology
Adults occur in stretches of rivers with sandy or stony bottom. Feed on benthic organisms. Highly prized fish (Ref. 41072).

Classification

Classified By

Brandt, 1869

Class

Ray-finned fishes (Actinopterygii)

Order

Sturgeons and Paddlefishes (Acipenseriformes)

Family

Sturgeons (Acipenseridae)

Distribution

Region

Asia

Distribution

Asia: Endemic to the Amur River system. Two morphs, brown and gray, represent the species in the Amur River basin.Occurrence in the Sea of Japan (Ref. 11102) needs confirmation. International trade restricted (CITES II, since 1.4.98; CMS Appendix II).

Range

Unknown

Environment

Climate

Temperate

Water Temperature From

10 °C

Water Temperature To

20 °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

demersal

Environment

Marine; freshwater; brackish; demersal; anadromous (Ref. 26364)

Trophic Level

3.7 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

300 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: commercial

Vulnerability

Very high vulnerability (85 of 100)

Resilience

Very Low, minimum population doubling time more than 14 years (tm=8-14; Fec=29,000)

Threat To Humans

Harmless

IUCN Red List Status

Critically Endangered (CR) (A2bd)