Acipenser schrenckii Brandt, 1869
Amur sturgeon
photo by CAFS

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. International trade restricted (CITES II, since 1.4.98; CMS Appendix II).
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: 24 October 2009 (A2bd) Ref. (123251)
Threat to humans:  harmless
Country info:   
 

Entered by: Cruz, Tess - 29.07.92
Modified by: Luna, Susan M. - 11.09.07
Checked by: Froese, Rainer - 28.04.94

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