kuznetzovi, Cottus Berg [L. S.] 1903:110 [Ezhegodnik, Zoologicheskago Muzeya Imperatorskoi Akademii Nauk v. 8; ref. 263] Chuya River, Lena River basin [not Lake Baikal basin], Russia. Neotype: ZIN 53969. Type catalog: Sideleva & Zhidkov 2021:237 [ref. 38705]. Unique holotype [ZIN 12476] lost; neotype selected by Sideleva & Goto 2009:607 [ref. 30591]. Neotype designation invalid, Bogdanov 2023:73 [ref. 40329]. •Synonym of Cottus poecilopus Heckel 1837 -- (Berg 1949:1143 [ref. 20662], Fedorov in Whitehead et al. 1986:1248 [ref. 13677], Sideleva 1998:152 [ref. 23595], Freyhof et al. 2005:167 [ref. 28259]). •Valid as Cottus kuznetzovi berg 1903 -- (Sideleva & Goto 2009:607 [ref. 30591], Goto et al. 2014:[9] [ref. 33456], Parin et al. 2014:241 [ref. 33547], Parin et al. 2014:244 [ref. 33547], Dyldin et al. 2020:114 [ref. 37569], Sideleva & Zhidkov 2021:237 [ref. 38705]). •Synonym of Alpinocottus poecilopus (Heckel 1837) -- (Bogdanov 2023:73 [ref. 40329]). Current status: Synonym of Alpinocottus poecilopus (Heckel 1837). Cottidae. Distribution: North Asia: Lena River and its tributaries (Russia) [if valid]. Habitat: freshwater, brackish.