Acipenser baerii baerii Brandt, 1869

Siberian sturgeon

Catalog of Fishes (gen., sp.) | ITIS | CoL

Classification	Actinopterygii \| Acipenseriformes \| Acipenseridae \| Acipenserinae
Synonyms	Acipenser baerii, Acipenser baerii stenorrhynchus, Acipenser stenorrhynchus, ... more
Common names	Esturgeon de Sibérie, Esturión de Siberia, Sturgeon, ... more

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Main reference

Baillie, J. and B. Groombridge (eds.). 1996. (Ref. 12255)
Other references | Biblio | Coordinator | Collaborators

Size / Weight / Age

Max length : 200 cm TL male/unsexed; (Ref. 40476); max. published weight: 100.0 kg (Ref. 40476); max. reported age: 60 years (Ref. 52333)

Environment

Demersal; anadromous (Ref. 51243); freshwater; brackish; marine; pH range: 7.0 - 7.5; dH range: ? - 20; depth range 1 - ? m

Climate / Range

Temperate; 10°C - 20°C (Ref. 2059); 74°N - 46°N, 64°E - 162°E

Former USSR and Asia: Siberia, rivers Ob, Irtysh, Yenisei, Lena, Kolyma. Some non-migratory populations exist in the Irtysh River system. Insufficiently known and artificially propagated. Endangered in the Indigirka river. International trade restricted (CITES Appendix II, since 1.4.1998).
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Extended snouts; four barbels in front of the mouth (Ref. 4639). The back is light grey to dark brown colored. The belly color varies from white to clear yellow. Five row s of scutes: 10-19D, 32-59L, 7-16V. Small star-like scutes between the main ones. Clearly slit inferior lip (Ref. 40476).

Adults live essentially in freshwater although some fish frequently occur in estuaries. Males are sexually mature between 9-15 years; females between 16-20 years (Ref. 11941). Reported to reach a length of 153 TL (approximately 30,000 g) in the freshwater Shakujii Hatchery (Ref. 9978).


IUCN Red List Status (Ref. 57073)	Threat to humans
Endangered (EN) (A2d)	Harmless

Human uses
Fisheries: highly commercial; aquaculture: commercial; aquarium: public aquariums


More information
Countries FAO areas Ecosystems Occurrences Introductions Ecology Diet Food items Food consumption Ration	Common names Synonyms Metabolism Predators Ecotoxicology Reproduction Maturity Spawning Eggs Egg development	Age/Size Growth Length-weight Length-length Length-frequencies Morphometrics Morphology Larvae Larval dynamics Recruitment	Other references Biblio Aquaculture Aquaculture profile Strains Genetics Allele frequencies Heritability Diseases Processing	Collaborators Pictures Stamps Sounds Ciguatera Speed Swim. type Gill area Otoliths Brains Vision

Tools
Biogeographic modelling \| Bio-Quiz \| E-book \| Field guide \| Length-frequency wizard \| Life-history tool \| Point map

Special reports
Check for Aquarium maintenance \| Check for Species Fact Sheets \| Check for Aquaculture Fact Sheets

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Summary page \| Point data \| Common names \| Photos

Internet sources

Estimation of some characteristics with mathematical models

Resilience (Ref. 69278)

Very Low, minimum population doubling time more than 14 years (tm=11-17; tmax=60)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Very high vulnerability (84 of 100)	Not marketed/unknown

Entered by Luna, Susan M.

Modified by Luna, Susan M.

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Page last modified by : elaxamana, 15 July 2009

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