boalis, Silurus Hamilton [F.] 1822:154, 375, Pl. 29 (fig. 49) [An account of the fishes found in the river Ganges; ref. 2031] Rivers all over India. Syntypes: BMNH 1858.8.15.76 (2) Ganges. Type catalog: Ferraris 2007:381 [ref. 29155]. Hamilton's original illustration reproduced by Britz 2019:Pl. 86 [ref. 37532]. •Synonym of Wallago attu (Bloch & Schneider 1801) -- (Menon 1999:214 [ref. 24904], Jayaram 2006:112 [ref. 28762], Ataur Rahman 2003:185 [ref. 31338], Ferraris 2007:380-281 [ref. 29155], Kottelat 2013:239 [ref. 32989], Roberts 2014:36 [ref. 33394]). Current status: Synonym of Wallago attu (Bloch & Schneider 1801). Siluridae. Habitat: freshwater.