| Acipenseridae (Sturgeons), subfamily: Acipenserinae |
| 300 cm TL (male/unsexed); max.weight: 190 kg; max. reported age: 65 years |
|
demersal; freshwater; brackish; marine, anadromous |
| 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. |
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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. |
| Adults occur in stretches of rivers with sandy or stony bottom. Feed on benthic organisms. Highly prized fish (Ref. 41072). |
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Critically Endangered (CR); Date assessed: 15 September 2019 (A2bd) Ref. (130435)
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| harmless |
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Occurs in Heilongjiang River system (Ref. 44306). Also includes lower reaches of Songhuajiang and Wusuli Rivers (Ref. 45563). Stocks declining due to overfishing (Ref. 45563). A cultured fish, introduced from its native range to other regions in the country (extensive stocking in great inland waters) (Ref. 55380). Also Ref. 6376, 31517.
Status of threat: Vulnerable (Ref. 45563). |
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