yaii, Rasborinus Harada [I.] 1943:37, Pl. 13 (figs. 43-44) [Freshwater fishes of Hainan Island 1943; ref. 22794] Jinghu Lake, southern Hainan Island, China. No types known. •Valid as Rasborinus yaii Harada 1943 -- (Zhu 1995:35 [ref. 25213]). •Synonym of Rasborinus formosae Oshima 1920 -- (Luo & Chen in Chen et al. 1998:120 [ref. 23878]). •Synonym of Metzia formosae (Oshima 1920) -- (Kottelat 2013:123 [ref. 32989]). Current status: Synonym of Metzia formosae (Oshima 1920). Xenocyprididae. Habitat: freshwater.