Syr Darya sturgeon (Pseudoscaphirhynchus fedtschenkoi) fish species and information / pictures of Syr Darya sturgeon - Pseudoscaphirhynchus fedtschenkoi

Syr Darya sturgeon (Pseudoscaphirhynchus fedtschenkoi) fish species information

Scientific Name
Pseudoscaphirhynchus fedtschenkoi

Common Name
Syr Darya sturgeon

Biology
Unknown

Classification

Classified By

Kessler, 1872

Class

Ray-finned fishes (Actinopterygii)

Order

Sturgeons and Paddlefishes (Acipenseriformes)

Family

Sturgeons (Acipenseridae)

Distribution

Region

Former USSR

Distribution

Former USSR: Endemic to Syr Darya basin of the Aral Sea (Ref. 35924). Considered endangered or extinct by authors (Ref. 6866). International trade restricted (CITES II, since 1.4.98; CMS Appendix II).

Range

Unknown

Environment

Climate

Temperate

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

demersal

Environment

Freshwater; brackish; demersal; potamodromous (Ref. 51243)

Trophic Level

3.2 s.e. 0.38 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

65.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.6250 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Unknown

Vulnerability

Moderate to high vulnerability (53 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

Critically Endangered (CR) (C2a(i,ii);D)