Acipenser medirostris Ayres, 1854 .

Green Sturgeon. To 270 cm (108 in) TL (Moyle 2002). Peter the Great Bay, Sea of Japan (Antonenko et al. 2003) to Tohoku, Japan (Hosoya in Nakabo 2002) to Pacific coast of Kamchatka, Bering Sea, and Gulf of Alaska (Mecklenburg et al. 2002) to just south of Bahía de San Quintin, northern Baja California (Rosales-Casián and Almeda-Jáuregui 2009). Bering Sea records have been rare and not well documented (Mecklenburg et al. 2002). On 4 June 2005, a Green Sturgeon was caught in Kuskokwim Bay off Kwigillingok (59°51’N, 162°08’W) (Love et al. 2005). In addition, a few Green Sturgeon have been captured in the lower Yukon River which enters the Bering Sea near Norton Sound (Randy Brown, pers. comm. to M.L.). Depth: to 167 m (548 ft) at sea (NWFSC-FRAM). Anadromous.