insularis, Xenocypris Nichols [J. T.] & Pope [C. H.] 1927:363, Fig. 29 [Bulletin of the American Museum of Natural History v. 54 (art. 2); ref. 5747] Nodoa, Hainan Island, China. Holotype (unique): AMNH 8374. •Synonym of Xenocypris davidi Bleeker 1871, but a valid subspecies -- (Bănărescu 1970:398 [ref. 7718]). •Synonym of Xenocypris davidi Bleeker 1871 -- (Yang 1964:125 [ref. 13500] as imsularis, Mai 1978:171 [ref. 13511], Chen in Kuang et al. 1986:53 [ref. 26639], Liu et al. in Pan et al. 1991:120 [ref. 23876], Liu & He in Chen et al. 1998:214 [ref. 23878], Zhang et al. 2016:65 [ref. 34477]). Current status: Synonym of Xenocypris davidi Bleeker 1871. Xenocyprididae. Habitat: freshwater, brackish.