chagunio, Cyprinus Hamilton [F.] 1822:295, 387 [An account of the fishes found in the river Ganges; ref. 2031] Yamuna River, and northern rivers of Behar and Bengal. No types known. Hamilton's original, unpublished illustration reproduced by Britz 2019:Pl. 174 [ref. 37532]. •Valid as Catla chagunio (Hamilton 1822) -- (Shrestha 1978:35 [ref. 15970]). •Valid as Chagunius chagunio (Hamilton 1822) -- (Ataur Rahman 1989:108 [ref. 24860], Talwar & Jhingran 1991:167 [ref. 20764], Sen 1995:502 [ref. 23778], Joshi 1998:127 [ref. 24985], Menon 1999:73 [ref. 24904], Karmakar 2000:28 [ref. 25662], Ataur Rahman 2003:125 [ref. 31338], Shrestha 2008:58 [ref. 29923], Conway et al. 2011:1755 [ref. 31594], Ahmed et al. 2013:285 [ref. 32872], Gurung et al. 2013:4882 [ref. 32969], Bleher 2018:372 [ref. 36647], Tudu et al. 2022:43 [ref. 40484]). Current status: Valid as Chagunius chagunio (Hamilton 1822). Cyprinidae: Smiliogastrinae. Distribution: Asia: Nepal, Bhutan, India, Bangladesh and Pakistan. Habitat: freshwater.