koratensis, Barilius Smith [H. M.] 1931:16, Fig. 7 [Proceedings of the United States National Museum v. 79 (no. 2873); ref. 4047] Mun River at Tachang [Ta-Chang], Nakorn-Rajsima, Korat District, eastern Thailand. Holotype (unique): USNM 90298. Type catalog: Monkolprasit 1969:3 [ref. 25088], Vilasri et al. 2018:43 [ref. 36451]. •Mention -- (Kottelat 1984:797 [ref. 11440]). •Valid as Barilius koratensis Smith 1931 -- (Doi 1997:4 [ref. 22832], Kottelat 1998:25 [ref. 23436], Fang & Kottelat 1999:293 [ref. 24228], Freyhof et al. 2000:94 [ref. 25184]). •Valid as Opsarius koratensis (Smith 1931) -- (Rainboth 1996: [ref. 22772], Kottelat 2001:65 [ref. 25780], Kottelat 2013:131 [ref. 32989], Kottelat 2015:42 [ref. 33971], Vilasri et al. 2018:43 [ref. 36451], Fu et al. 2021:9569 [ref. 39347], Taki et al. 2021:86 [ref. 39830]). Current status: Valid as Opsarius koratensis (Smith 1931). Danionidae: Chedrinae. Distribution: Southeast Asia: Mekong and Chao Phraya River basins and Xe Bangfai, Thailand, Laos, Yunnan (China) and Cambodia. Habitat: freshwater.