sumatranus, Bagrus Anonymous [Bennett [E. T.]] 1830:691 [Memoir of the life and public services of Sir Thomas Stamford Raffles; ref. 259] Sumatra, Indonesia. Syntypes: BMNH 1855.12.26.485 (1). Type catalog: Ferraris 2007:36 [ref. 29155]. On Code recommendation 51D, the anonymous author is listed in square brackets. Contrary to Kottelat (2013), the article does not have an author; but it can be found on p. xi and 629. •Valid as Tachysurus sumatranus ([Bennett] 1830) -- (Jayaram & Dhanze 1979:49 [ref. 6800]). •Probable synonym of Arius venosus Valenciennes 1840 -- (Kailola 1999:1869 [ref. 24732]). •Valid as Arius sumatranus ([Bennett] 1830) -- (Burgess 1989:169 [ref. 12860], Mohsin & Ambak 1996:159 [ref. 27969], Tan & Ng 1999:296 [ref. 24254], Kailola 2004:127 [ref. 28108], Ferraris 2007:36 [ref. 29155], Kottelat 2013:247 [ref. 32989], Kailola 2022:190 [ref. 39697]). •Valid as Hemiarius sumatranus (Anonymous [Bennett] 1830) -- (Marceniuk & Menezes 2007:69 [ref. 29031], Marceniuk et al. 2012:643 [ref. 32225], Psomadakis et al. 2015:165 [ref. 34104], Psomadakis et al. 2020:308 [ref. 37272], Marceniuk et al. 2023:32 [ref. 40422]). Current status: Valid as Hemiarius sumatranus (Anonymous [Bennett] 1830). Ariidae: Ariinae. Distribution: Indo-West Pacific: Pakistan, India and Sri Lanka east to Indonesia. Habitat: freshwater, brackish, marine.