cuchia, Unibranchapertura Hamilton [F.] 1822:16, 363, Pl. 16 (fig. 4) [An account of the fishes found in the river Ganges; ref. 2031] Southeastern Bengal, India. No types known. Spelled cachia by Cuvier 1829:354 [ref. 995]. Hamilton's original illustration reproduced by Britz 2019:Pl. 9 [ref. 37532] •Valid as Amphipnous cuchia (Hamilton 1822) -- (Shrestha 1978:40 [ref. 15970]). •Valid as Monopterus cuchia (Hamilton 1822) -- (Rosen & Greenwood 1976:59 [ref. 7094], Ataur Rahman 1989:50 [ref. 24860], Talwar & Jhingran 1991:776 [ref. 20764], Sen 1995:583 [ref. 23778], Zhu 1995:168 [ref. 25213], Banik & Choudhury 1996:579 [ref. 24736], Bailey & Gans 1998:6 [ref. 23296], Menon 1999:280 [ref. 24904], Rafique 2000:327 [ref. 25220], Karmakar 2000:34 [ref. 25662], Gopi 2002:139 [ref. 27553], Ataur Rahman 2003:65 [ref. 31338], Shrestha 2008:208 [ref. 29923], Britz et al. 2011:57 [ref. 31404], Kottelat 2013:308 [ref. 32989], Zhang et al. 2016:192 [ref. 34477], Britz et al. 2016:321 [ref. 34914], Kosygin et al. 2022:670 [ref. 40736], Tudu et al. 2022:43 [ref. 40484]). •Valid as Ophichthys cuchia (Hamilton 1822) -- (Britz et al. 2020:14 [ref. 37335], Best et al. 2022:477 [ref. 39249], Britz et al. 2023:14 [ref. 40009], Chan et al. 2023:140 [ref. 40365], Page et al. 2023:126 [ref. 40505]). Current status: Valid as Ophichthys cuchia (Hamilton 1822). Synbranchidae. Distribution: South Asia: Pakistan, India, Nepal, Bangladesh, Myanmar and ?China. Introduced in Texas (U.S.A.) and Hong Kong (China). Habitat: freshwater, brackish.