chankaensis, Squalidus Dybowski [B. N.] 1872:215 [Verhandlungen der K.-K. zoologisch-botanischen Gesellschaft in Wien v. 22; ref. 1170] Lake Khanka [Chanka], Amur River drainage, southeastern Russia. Syntypes: ZMB 7940 [from Dybowski] (2). Original as chankaënsis. •Valid as Gobio chankaensis (Dybowski 1872) -- (Berg 1949:658 [ref. 20661]). •Valid as Gnathopogon chankaensis (Dybowski 1872) -- (Lu et al. 1977:480 [ref. 2850]). •Valid as Squalidus chankaensis Dybowski 1872 -- (Mai 1978:190 [ref. 13511], Hosoya & Jeon 1984:41 [ref. 17431] with subspecies, Zhu 1995:79 [ref. 25213], Bogutskaya & Naseka 1996:43 [ref. 22798], Naseka 1996:160 [ref. 22943], Kim 1997:214 [ref. 24032], Reshetnikov et al. 1997:741 [ref. 24702], Watanabe 1998:263 [ref. 23491] with subspecies, Naseka 1998:87 [ref. 23590], Yue in Chen et al. 1998:313 [ref. 23878], Bogutskaya et al. 2001:44 [ref. 26178], Shedko & Shedko 2003:323 [ref. 27966], Bogutskaya & Naseka 2004:73 [ref. 28183], Ocock et al. 2006:46 [ref. 28933], Bogutskaya et al. 2008:329 [ref. 30085], Zhang et al. 2016:80 [ref. 34477], Dyldin et al. 2023:[24] [ref. 40328] with question). Current status: Valid as Squalidus chankaensis Dybowski 1872. Gobionidae. Distribution: Eastern Asia: China, Russia and Mongolia. Habitat: freshwater.