minutillus, Oryzias Smith [H. M.] 1945:424, Fig. 95 [Bulletin of the United States National Museum No. 188; ref. 4056] Small canal in Bangkok, Thailand. Holotype: USNM 107958. Paratypes: USNM 109789 (4). Type catalog: Collette et al. 1992:3 [ref. 19410], Vilasri et al. 2018:63 [ref. 36451]. •Valid as Oryzias minutillus Smith 1945 -- (Uwa & Parenti 1988:159 [ref. 6852], Chen et al. 1989:243 [ref. 17651], Takata et al. 1993:319 [ref. 22475], Zhu 1995:160 [ref. 25213], Roberts 1998:219 [ref. 23471], Kottelat 2001:143 [ref. 25780], Parenti 2008:574 [ref. 29902], Magtoon & Termvidchakorn 2009:47 [ref. 30242], Magtoon 2010:111 [ref. 30842], Kottelat 2013:289 [ref. 32989], Zhang et al. 2016:191 [ref. 34477], Vilasri et al. 2018:63 [ref. 36451], Fu et al. 2021:9572 [ref. 39347], Taki et al. 2021:327 [ref. 39830]). Current status: Valid as Oryzias minutillus Smith 1945. Adrianichthyidae: Oryziinae. Distribution: Southeast Asia: Chao Phraya and Mekong River basins, Thailand, Cambodia and Vietnam. Introduced in Yunnan/China. Habitat: freshwater.