altaicus, Cottus poecilopus Kaschenko [N.] 1899:151 [Results of the Altai Zoological Expedition; ref. 19630] Katun River, Bol'shoi Uiman, Katun River basin, Altai, Siberia, Russia. Neotype: ZIN 53968. Syntypes: (15) whereabouts unknown. Syntypes (15) lost; neotype selected by Sideleva & Goto 2009:601 [ref. 30591]. •Synonym of Cottus poecilopus Heckel 1837 -- (Freyhof et al. 2005:167 [ref. 28259]). •Valid as Cottus altaicus Kaschenko 1899 -- (Bogutskaya & Naseka 2004:185 [ref. 28183], Kottelat 2006:90 [ref. 28831], Sideleva & Goto 2009:601 [ref. 30591], Goto et al. 2014:[9] [ref. 33456], Parin et al. 2014:241 [ref. 33547], Romanov et al. 2017:826 [ref. 35687], Dyldin et al. 2020:114 [ref. 37569]). Current status: Valid as Cottus altaicus Kaschenko 1899. Cottidae. Distribution: North Asia: rivers of the Upper and Middle Ob River basin, western Siberia (Russia). Habitat: freshwater, brackish.