| Family: |
Acipenseridae (Sturgeons), subfamily: Acipenserinae |
| Max. size: |
255 cm TL (male/unsexed); max.weight: 70 kg |
| Environment: |
demersal; freshwater; brackish; marine, anadromous |
| Distribution: |
Eurasia: Caspian basin, most abundant in the southern part (Ref. 59043). Also distributed along the eastern Black Sea (Ref. 58888). |
| Diagnosis: |
|
| Biology: |
Anadromous. Inhabits coastal and estuarine zones at the sea. Breeds in strong-current habitats in main course of large and deep rivers on stone or gavel bottom. Juvenile stay in riverine habitats during their first summer (Ref. 59043). Adults migrating to breed take the path of short, fast flowing mountain rivers (Ref. 33773). Maximum reported length for female is 176.1 cm TL(Ref. 58888). |
| IUCN Red List Status: |
Critically Endangered (CR); Date assessed: 15 September 2019 (A2cde; C2a(ii)) Ref. (130435)
|
| Threat to humans: |
harmless |
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