panchax, Esox Hamilton [F.] 1822:211, 380, Pl. 3 (fig. 69) [An account of the fishes found in the river Ganges; ref. 2031] Ditches and ponds of Bengal. No types known. Hamilton's original illustration reproduced by Britz 2019:Pl. 119 [ref. 37532]. •Valid as Aplocheilus panchax (Hamilton 1822) -- (Radda 1974:2, 3 [ref. 30318], Shrestha 1978:40 [ref. 15970], Parenti 1981:471 [ref. 7066], Ataur Rahman 1989:62 [ref. 24860], Talwar & Jhingran 1991:752 [ref. 20764], Sen 1995:582 [ref. 23778], Rainboth 1996:174 [ref. 22772], Seegers 1997:16 [ref. 23895], Murphy & Collier 1997:797 [ref. 25585], Parenti 1999:2198 [ref. 24784], Menon 1999:269 [ref. 24904], Parenti in Randall & Lim 2000:599 [ref. 25122], Freyhof et al. 2000:96 [ref. 25184], Rafique 2000:326 [ref. 25220], Karmakar 2000:34 [ref. 25662], Allen et al. 2000:158 [ref. 27467], Lazara 2001:50 [ref. 25711], Mirza 2003:22 [ref. 27265], Yadav 2003:22 [ref. 27711], Ataur Rahman 2003:77 [ref. 31338], Tan & Lim 2004:110 [ref. 27716], Larson & Pidgeon 2004:196 [ref. 28107], Shrestha 2008:205 [ref. 29923], Shibukawa 2009:50 [ref. 30449], Costa 2009:122 [ref. 30421], Ahmed et al. 2013:286 [ref. 32872], Miesen et al. 2016:87 [ref. 34492], Suresh et al. 2018:158 [ref. 36495], Bandjolu et al. 2021:4 [ref. 38801], Taki et al. 2021:322 [ref. 39830], Kosygin et al. 2022:669 [ref. 40736], Shangningam & Kosygin 2022:60 [ref. 39587], Tudu et al. 2022:44 [ref. 40484], Çiçek et al. 2023:46 [ref. 40326], Jamandre 2023:166 [ref. 40455]). Current status: Valid as Aplocheilus panchax (Hamilton 1822). Aplocheilidae. Distribution: South Asia: Afghanistan, Pakistan, India, Nepal, Bangladesh and Myanmar. Introduced in Sulawesi (Indonesia) and the Philippines. Habitat: freshwater, brackish.