curensis, Huso huso caspicus natio Babushkin [N. Ya.] 1942:131 [Izvestiya Azerbaidzhankoy Nauchno-Issledovatelskoy Rybokhozyaistvennoi Stantsii. Baku No. 7; ref. 21746] Infrasubspecific, not available; from Kura River, Caspian Sea basin. •In the synonymy of Huso huso (Linnaeus 1758) -- (Kottelat 1997:34 [ref. 22952]). Infrasubspecific. Current status: Synonym of Acipenser huso Linnaeus 1758. Acipenseridae. Habitat: freshwater, brackish, marine.