aleutensis, Acipenser Fitzinger [L. J. F. J.] in Fitzinger & Heckel 1836:285 [Annalen des Wiener Museums der Naturgeschichte v. 1 (no. 12); ref. 2077] Canaga Island, Aleutian Islands, Alaska, U.S.A. [in error]. No types known. See Mecklenburg et al. 2002:115 [ref. 25968] who say not from Alaska and not transmontanus. •Questionably a synonym of Acipenser ruthenus Linnaeus 1758 -- (Kottelat 1997:32 [ref. 22952]). •Synonym of Acipenser transmontanus Richardson 1837 -- (Scott & Crossman 1998:100 [ref. 24570]). •Synonym of Acipenser ruthenus Linnaeus 1758 -- (Jouladeh-Roudbar et al. 2020:16 [ref. 37983]). Current status: Synonym of Acipenser ruthenus Linnaeus 1758. Acipenseridae. Habitat: freshwater, brackish.