aurantiacus, Ophiocephalus Hamilton [F.] 1822:69, 368, Pl. 23 (fig. 22) [An account of the fishes found in the river Ganges; ref. 2031] Mountain stream near Goyalpara [Goalpara] near northeastern frontier of Bengal, India. No types known. Spelled aurantianis on plate. Günther as first reviser selected gachua, Günther 1861:471 [ref. 1964]. Information on type locality see Britz 2019:38 [ref. 37532]. Hamilton's original illustration reproduced by Britz 2019:Pl. 44 [ref. 37532]. •Synonym of Channa orientalis Bloch & Schneider 1801 -- (Menon 1999:275 [ref. 24904] as auranticus). •Synonym of Channa gachua (Hamilton 1822) -- (Ng et al. 1999:57 [ref. 24286], Courtenay & Williams 2004:69 [ref. 27545], Kottelat 2013:459 [ref. 32989], Knight 2016:8588 [ref. 34348], Lalramliana et al. 2018:174 [ref. 36027], Praveenraj et al. 2018:8 [ref. 36419], Praveenraj et al. 2019:66 [ref. 36501], Jouladeh-Roudbar et al. 2020:250 [ref. 37983], Çiçek et al. 2024:325 [ref. 40789]). Current status: Synonym of Channa gachua (Hamilton 1822). Channidae. Habitat: freshwater.