tuecka, Acipenser Fitzinger [L. J. F. J.] & Heckel [J. J.] 1836:293 [Annalen des Wiener Museums der Naturgeschichte v. 1 (no. 12); ref. 2077] Originally as Tücka. Name in the synonymy of Acipenser schypa, not available. Also occurred in later literature as name only. •Questionably in the synonymy of Acipenser gueldenstaedtii Brandt & Ratzeburg 1833 -- (Kottelat 1997:30 [ref. 22952]). •Questionably in the synonymy of Huso gueldenstaedtii (Brandt & Ratzeburg 1833). Nomen Nudum. Current status: Synonym of Huso gueldenstaedtii (Brandt & Ratzeburg 1833). Acipenseridae. Habitat: freshwater, brackish, marine.