kyphus, Pararhodeus Mai [D. Y.] 1978:182, Fig. 83 [Identification of the fresh-water fishes of North Viet Nam v. 1; ref. 13511] Creeks in northern Vietnam. Syntypes: DVZUT. •Valid as Parathodeus kyphus Mai 1978 -- (Kottelat 1998:54 [ref. 23436], Arai et al. 2001:281 [ref. 25545]). •Valid as Acheilognathus kyphus (Mai 1978) -- (Kottelat 2001:15 [ref. 25482], Yang et al. 2011:163 [ref. 31154], Kottelat 2013:70 [ref. 32989]). •Valid as Rhodeus kyphus (Mai 1978) -- (Endruweit 2025:55 [ref. 42401]). Current status: Valid as Rhodeus kyphus (Mai 1978). Acheilognathidae. Distribution: Southeast Asia: Red River delta (northern Vietnam). Habitat: freshwater.