wui, Ctenogobius Liu [C. K.] 1940:215, Fig. 2 [Sinensia v. 11 (nos 3-4); ref. 2790] Brook at Yaoshan, Kwangsi, China. Syntypes: (35). •Valid as Ctenogobius wui Liu 1940 -- (Wu & Ni in Kuang et al. 1986:290 [ref. 26639], Zheng 1989:351 [ref. 21202]). •Synonym of Ctenogobius duospilus Herre 1935 -- (Wu in Pan et al. 1991:482 [ref. 23876]). •Synonym of Rhinogobius duospilus (Herre 1935) -- (Kottelat 2013:424 [ref. 32989], Zhang et al. 2016:202 [ref. 34477], Suzuki et al. 2017:81 [ref. 35202]). Current status: Synonym of Rhinogobius duospilus (Herre 1935). Gobiidae: Gobionellinae. Distribution: China (if valid). Habitat: freshwater, brackish.