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Actinopterygii (ray-finned fishes) > Acipenseriformes (Sturgeons and paddlefishes) > Acipenseridae (Sturgeons) > Acipenserinae
Etymology: Acipenser: Latin, acipenser = sturgeon, 1853 (Ref. 45335). More on author: Hilgendorf.

Environment / Climate / Range Ecology

Marine; freshwater; brackish; demersal; anadromous (Ref. 51243). Temperate, preferred ?; 56°N - 33°N, 125°E - 145°E (Ref. 54262)

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

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).

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 150 cm TL male/unsexed; (Ref. 12218)

Short description Morphology | Morphometrics

Dorsal spines (total): 0; Dorsal soft rays (total): 33-40; Anal spines: 0; Anal soft rays: 22 - 30. Body shields in 5 rows; dorsal shields 7 to 11, lateral 22 to 36 and ventral 10.

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).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Eggs are laid from April to August under the substrate in sandy areas (Ref. 12218).

Main reference Upload your references | References | Coordinator | Collaborators

Birstein, V.J., 1993. Sturgeons and paddlefishes: threatened fishes in need of conservation. Conserv. Biol. 7:773-787. (Ref. 6866)

IUCN Red List Status (Ref. 115185)

Critically Endangered (CR) (A2cde)

CITES (Ref. 94142)

Appendix II:
International trade monitored

Threat to humans

Harmless

Human uses

Fisheries: minor commercial; aquaculture: commercial

FAO(fisheries: species profile; publication : search) | FisheriesWiki | Sea Around Us

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Internet sources

Acipenser mikadoi Hilgendorf, 1892