Acipenser mikadoi Hilgendorf, 1892
Sakhalin sturgeon
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Family:  Acipenseridae (Sturgeons), subfamily: Acipenserinae
Max. size:  150 cm TL (male/unsexed); max. reported age: 15 years
Environment:  demersal, 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). International trade restricted (CITES II, since 1.4.98; CMS Appendix II).
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).
IUCN Red List Status: Critically Endangered (CR); Date assessed: 23 October 2009 (A2cde) Ref. (123251)
Threat to humans:  harmless
Country info:   

Entered by: Froese, Rainer - 01.05.91
Modified by: Casal, Christine Marie V. - 15.10.17
Checked by: Casal, Christine Marie V. - 03.01.03

Source and more info: For personal, classroom, and other internal use only. Not for publication.

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