sihuensis, Gobio Chu [Y.-T.] 1932:22, Figs. 11, 23 [Fishes of the West Lake; ref. 16479] West Lake, Hangchow, China. No types known. •Valid as Gnathopogon sihuensis (Chu 1932) -- (Lu et al. 1977:489 [ref. 2850]). •Valid as Squalidus sihuensis (Chu 1932) -- (Ding 1994:270 [ref. 21531], Zhu 1995:80 [ref. 25213], Cheng & Zhou 1997:167 [ref. 26385]). •Synonym of Squalidus nitens (Günther 1873) -- (Yue in Chen et al. 1998:319 [ref. 23878], Zhang et al. 2016:81 [ref. 34477], Guo 2021:241 [ref. 38617]). Current status: Synonym of Squalidus nitens (Günther 1873). Gobionidae. Habitat: freshwater.