Species that contain: Rasborinus and hainanensis [ 3 ] records

hainanensis, Ischikauia Nichols [J. T.] & Pope [C. H.] 1927:374, Fig. 38 [Bulletin of the American Museum of Natural History v. 54 (art. 2); ref. 5747] Nodoa, Hainan Island, China. Holotype: AMNH 8390. Paratypes or non-types: MCZ 32648 (2). Secondarily in competition in Rasborinus with Rasborinus hainanensis Nichold & Pope 1927 (same publication) if Chen in Chen et al. 1998:118 and 120 [ref. 23878] is both are treated as valid and congereric. •Valid as Anabarilius hainanensis (Nichols & Pope 1927) -- (Yih & Wu 1964:74 [ref. 13499]). •Synonym of Ischikauia macrolepis (Regan 1908) -- (Bănărescu 1971:12 [ref. 20612]). •Synonym of Ischikauia macrolepis (Regan 1908), but a valid subspecies -- (Mai 1978:162 [ref. 13511]). •Synonym of Rasborinus formosae Oshima 1920 -- (Lu in Kuang et al. 1986:84 [ref. 26639], Chen in Chen et al. 1998:120 [ref. 23878]). •Synonym of Metzia formosae (Oshima 1920) -- (Kottelat 2013:123 [ref. 32989] but spelled Ishikauia). •Valid as Metzia hainanensis (Nichols & Pope 1927) -- (Endruweit 2025:127 [ref. 42401]). Current status: Valid as Metzia hainanensis (Nichols & Pope 1927). Xenocyprididae. Distribution: Southeast Asia: middle and lower reaches of Red River (China, Vietnam) and Hainan (China). Habitat: freshwater.

hainanensis, Rasborinus Nichols [J. T.] & Pope [C. H.] 1927:377, Fig. 40 [Bulletin of the American Museum of Natural History v. 54 (art. 2); ref. 5747] Nodoa, Hainan Island, China. Holotype: AMNH 8382. Paratypes or non-types: MCZ 32672 (1), ZMA 114610 (3). Type catalog: Nijssen et al. 1982:35 [ref. 19236]. •Synonym of Rasborinus lineatus (Pellegrin 1907) -- (Yih & Wu 1964:69 [ref. 13499], Bănărescu 1971:14 [ref. 20612], Mai 1978:160 [ref. 13511], Lu in Kuang et al. 1986:82 [ref. 26639], Lu in Pan et al. 1991:106 [ref. 23876], Luo & Chen in Chen et al. 1998:120 [ref. 23878]). •Synonym of Metzia lineata (Pellegrin1907) -- (Kottelat 2013:123 [ref. 32989], Endruweit 2025:126 [ref. 42401]). Current status: Synonym of Metzia lineata (Pellegrin 1907). Xenocyprididae. Habitat: freshwater.

yaii, Rasborinus Harada [I.] 1943:37, Pl. 13 (figs. 43-44) [Freshwater fishes of Hainan Island; 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]). •Synonym of Metzia hainanensis (Nichols & Pope 1927) -- (Endruweit 2025:127 [ref. 42401]). Current status: Synonym of Metzia hainanensis (Nichols & Pope 1927). Xenocyprididae. Habitat: freshwater.