mento, Aspius Heckel [J. J.] 1836:225, Pl. 19 (fig. 3) [Annalen des Wiener Museums der Naturgeschichte v. 1 (no. 10); ref. 18254] Lake Traun, near Gmunden, Austria. Syntypes: NMW 16261 (1), 16441 (1), 50440 (1), 55650 (2), 55652 (1); MNHN (1). Aspius mento Perty 1832 is a nomen nudum. Lectotype selected by Freyhof & Kottelat 2007:217 [ref. 29340]. Lectotype selection not valid, see Bogutskaya et al. 2017:100 [ref. 35513]. •Synonym of Chalcalburnus chalcoides (Güldenstädt 1772) -- (Kottelat 1997:53 [ref. 22952], Bogutskaya 1998:59 [ref. 23589]). •Synonym of Chalcalburnus chalcoides (Güldenstädt 1772), but a valid subspecies -- (Reshetnikov et al. 1997:736 [ref. 24702]). •Synonym of Alburnus chalcoides (Güldenstädt 1772) -- (Bogutskaya 1997:165 [ref. 23566]). •Valid as Alburnus mento (Heckel 1836) -- (Bogutskaya & Naseka 2004:79 [ref. 28183], Freyhof & Kottelat 2007:205 [ref. 29339], Freyhof & Kottelat 2007:214, 217 [ref. 29340], Kottelat & Freyhof 2007:171 [ref. 29996], Buj et al. 2010:130 [ref. 30888], Perea et al. 2010:14 [ref. 31802], Parin et al. 2014:68 [ref. 33547] dated 1837, Bogutskaya et al. 2017:106 [ref. 35513], Freyhof et al. 2018:130 [ref. 35889], Dyldin et al. 2020:91, 94 [ref. 37569], Dyldin et al. 2023:[30] [ref. 40328] with question). Current status: Valid as Alburnus mento (Heckel 1836). Leuciscidae: Leuciscinae. Distribution: Eastern Europe: lakes and rivers of the upper Danube system. Habitat: freshwater, brackish.