tonkinensis, Perccottus Mai [D. Y.] 1978:310, Fig. 136 [Identification of the fresh-water fishes of North Viet Nam v. 1; ref. 13511] Mountain streams, northern Vietnam and Hainan Island, China. Syntypes: DVZUT [ex HUS] 349 (15). Genus spelled Percottus in original. •Valid as Neodontobutis tonkinensis (Mai 1978) -- (Kottelat 2001:59 [ref. 25482], Kottelat 2001:153 [ref. 25780], Chen et al. 2002:233 [ref. 26719], Nguyen & Nguyen 2011:00 [ref. 32048], Kottelat 2013:388 [ref. 32989], Parenti 2021:433 [ref. 38603], Endruweit 2024:95 [ref. 41040]). Current status: Valid as Neodontobutis tonkinensis (Mai 1978). Odontobutidae. Distribution: Southeast Asia: northern Vietnam and Laos. Habitat: freshwater.