nasalis, Cottus Berg [L. S.] 1933:701, Figs. 671-673 [Les poissons des eaux douces de l'U.R.S.S. Part 2; ref. 279] Fergana, upper Syr-Darya River, Turkestan. Holotype (unique): ZIN 20741. Type catalog: Sideleva & Zhidkov 2021:238 [ref. 38705]. •Valid as Cottus nasalis Berg 1933 -- (Berg 1949:1150 [ref. 20662], Goto et al. 2014:[11] [ref. 33456]). •Synonym of Cottus jaxartensis Berg 1916 -- (Sideleva 2021:259 [ref. 38323], Sideleva & Zhidkov 2021:238 [ref. 38705]). Current status: Synonym of Cottus jaxartensis Berg 1916. Cottidae. Habitat: freshwater.