| Family: |
Acipenseridae (Sturgeons), subfamily: Acipenserinae |
| Max. size: |
150 cm TL (male/unsexed) |
| Environment: |
demersal; freshwater; brackish; marine, anadromous |
| Distribution: |
Northwest Pacific: Bering Sea, Tumnin (Datta) river, to northern Japan and Korea. This species was formerly regarded to be a population of Acipenser medirostris (Ref. 6866). |
| Diagnosis: |
Dorsal spines (total): 0-0; Dorsal soft rays (total): 33-40; Anal spines: 0-0; Anal soft rays: 22-30. Body shields in 5 rows; dorsal shields 7 to 11, lateral 22 to 36 and ventral 10. |
| Biology: |
Commercially cultured in Japan (Ref. 6866). From April to May adults feed in fresh water and return to the ocean during the fall (Ref. 12218). Generation time: 15 years (Ref. 116373). |
| IUCN Red List Status: |
Critically Endangered (CR); Date assessed: 14 September 2019 (A2bc; C2a(i,ii)) Ref. (130435)
|
| Threat to humans: |
harmless |
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