| Family: |
Acipenseridae (Sturgeons), subfamily: Acipenserinae |
| Max. size: |
300 cm TL (male/unsexed); max.weight: 190 kg; max. reported age: 65 years |
| Environment: |
demersal; freshwater; brackish; marine, anadromous |
| 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. |
| Diagnosis: |
Dorsal spines (total): 0-0; Dorsal soft rays (total): 38-53; Anal spines: 0-0; Anal soft rays: 20-32. Body shields in 5 rows; dorsal shields 11 to 15, lateral shields 32 to 47 and ventral 7 to 10. |
| Biology: |
Adults occur in stretches of rivers with sandy or stony bottom. Feed on benthic organisms. Highly prized fish (Ref. 41072). |
| IUCN Red List Status: |
Critically Endangered (CR); Date assessed: 15 September 2019 (A2bd) Ref. (130435)
|
| Threat to humans: |
harmless |
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