cervicosquamus, Ctenogobius Wu [H.-L.], Lu & Ni [Y.] in Wu & Ni 1986:291 [English p. 292], Fig. 167 [The freshwater and estuarine fishes of Hainan Island; ref. 20214] Lingshuihe River, Baoting City, Hainan Island, China [Changhua River, Qiongzhong, Hainan Island, China]. Neotype: ANSP 210039-3201. Original types: Pearl River Fish. Res. Inst. HN 833124, HN 830574-76 (3), 831949 (1), 833116-19 (4), 833124 (1), 833130 (1), 833132-33 (1, 1), 833037 (1), not at PRFRI, SFU or ECSFRI, all lost. Neotype designated by Endruweit 2024:158 [ref. 41040]. •Valid as Ctenogobius cervicosquamus Wu, Lu & Ni 1986 -- (Wu in Pan et al. 1991:485 [ref. 23876], Zhu 1995:182 [ref. 25213]). •Valid as Sinogobius cervicosquamus (Wu, Lu & Ni 1986) -- (Endruweit 2024:158 [ref. 41040]). •Synonym of Rhinogobius leavelli (Herre 1935) -- (Kottelat 2013:425 [ref. 32989] with question, Suzuki et al. 2017:82 [ref. 35202], Parenti 2021:358 [ref. 38603], Pezold 2022:68 [ref. 39351], Maeda et al. 2024:507 [ref. 41367]). •Possibly valid as Rhinogobius cervicosquamus (Wu, Lu & Ni 1986). Current status: Uncertain as Rhinogobius cervicosquamus (Wu, Lu & Ni 1986). Oxudercidae: Gobionellinae. Distribution: Southeast Asia: Hainan Island (China) [if valid]. Habitat: freshwater, brackish.