vietnamensis, Rhodeus ocellatus Mai [D. Y.] 1978:179 [Identification of the fresh-water fishes of North Viet Nam v. 1; ref. 13511] Northern Vietnam. Syntypes: DVZUT. •Synonym of Rhodeus rheinhardti (Tirant 1883) -- (Kottelat 1987:14, 21 [ref. 11434]). •Status uncertain, as Rhodeus vietnamensis Mai 1978 -- (Kottelat 2001:39 [ref. 25482]). •Synonym of Rhodeus ocellatus (Kner 1866), but a valid subspecies vietnamensis Mai 1978 as described -- (Arai et al. 2001:281 [ref. 25545]). •Synonym of Rhodeus spinalis Oshima 1926 -- (Kottelat 2013:157 [ref. 32989]). •Synonym of Rhodeus ocellatus (Kner 1866) -- (Endruweit 2025:54 [ref. 42401]). Current status: Synonym of Rhodeus ocellatus (Kner 1866). Acheilognathidae. Habitat: freshwater.