cotio, Cyprinus Hamilton [F.] 1822:339, 393, Pl. 39 (fig. 93) [An account of the fishes found in the river Ganges; ref. 2031] Bengal. No types known. Spelled cotis on plate. Hamilton's original illustration reproduced by Britz 2019:Pl. 207 [ref. 37532]. •Valid as Labeo cotio (Hamilton 1822) -- (Shrestha 1978:36 [ref. 15970]). •Valid as Rohtee cotio (Hamilton 1822) -- (Ataur Rahman 1989:107 [ref. 24860]). •Valid as Osteobrama cotio (Hamilton 1822), subspecies cotio (Hamilton 1822) -- (Menon 1999:64 [ref. 24904], Biju et al. 1999:481 [ref. 25439], Karmakar 2000:28 [ref. 25662], Shrestha 2008:75 [ref. 29923]). •Valid as Osteobrama cotio (Hamilton 1822) -- (Talwar & Jhingran 1991:238 [ref. 20764], Sen 1995:511 [ref. 23778], Banik & Choudhury 1996:579 [ref. 24736], Sen 1999:192 [ref. 24750], Rafique 2000:324 [ref. 25220], Rafique et al. 2003:97 [ref. 27173], Mirza 2003:8 [ref. 27265], Ataur Rahman 2003:124 [ref. 31338], Vishwanath & Shanta Kumar 2007:2882 [ref. 29365], Jadhav et al. 2011:2078 [ref. 31547], Ahmed et al. 2013:286 [ref. 32872], Maisnam et al. 2017:13 [ref. 35689], Dhanze & Dhanze 2018:476 [ref. 36414], Rahman et al. 2018:108 [ref. 36230], Singh et al. 2018:362 [ref. 35172], Bleher 2018:638 [ref. 36647], Ren et al. 2020:[5] [ref. 37805], Shangningam et al. 2020:74 [ref. 37247], Kosygin et al. 2022:654 [ref. 40736], Tudu et al. 2022:43 [ref. 40484], Gupta et al. 2024:101 [ref. 41453]). Current status: Valid as Osteobrama cotio (Hamilton 1822). Cyprinidae: Smiliogastrinae. Distribution: South Asia: Indus River basin (Pakistan); Ganges and Brahmaputra River basins (India and Nepal), Barak-Meghna River basin (Bangladesh). Habitat: freshwater.