pulchellus, Barilius Smith [H. M.] 1931:17, Fig. 8 [Proceedings of the United States National Museum v. 79 (no. 2873); ref. 4047] Mekong River at Pang Chao, northern Thailand. Holotype: USNM 90299 (?1 of 2). Paratypes: (3) KUMF 0157 (1). Type catalog: Monkolprasit 1969:4 [ref. 23217], Monkolprasit 1969:4 [ref. 25088], Vilasri et al. 2018:44 [ref. 36451]. •Valid as Barilius pulchellus Smith 1931 -- (Kottelat 1984:796 [ref. 11440], Kuang in Chu & Chen 1989:19 [ref. 13584], Zhu 1995:24 [ref. 25213], Rainboth 1996:71 [ref. 22772], Doi 1997:4 [ref. 22832], Kottelat 1998:25 [ref. 23436], Chen & Chu in Chen et al. 1998:28 [ref. 23878], Fang & Kottelat 1999:293 [ref. 24228], Tejavej 2012:148 [ref. 32328], Zhang et al. 2016:48 [ref. 34477]). •Valid as Opsarius pulchellus (Smith 1931) -- (Kottelat 2001:33 [ref. 25482], Kottelat 2001:65 [ref. 25780], Kottelat 2013:132 [ref. 32989], Kottelat 2015:42 [ref. 33971], Arunkumar & Moyon 2017:168 [ref. 35774], Vilasri et al. 2018:44 [ref. 36451], Fu et al. 2021:9569 [ref. 39347], Taki et al. 2021:86 [ref. 39830]). Current status: Valid as Opsarius pulchellus (Smith 1931). Danionidae: Chedrinae. Distribution: Southeast Asia: Mekong, Chao Phraya and Nam Ma River basins, Thailand, Laos, Yunnan (China), Cambodia and northern Vietnam. Habitat: freshwater.