acutus, Arius Bleeker [P.] 1846:41 [167] [Verhandelingen van het Bataviaasch Genootschap van Kunsten en Wetenschappen. v. 21 (art. 5); ref. 313] Jakarta, Java, Indonesia. Syntypes: ?BMNH 1863.12.4.67 (1), RMNH 15975 (2), SMNS 10566 (4). Type catalog: Fricke 1991:7 [ref. 13474], Fricke 2005:13 [ref. 29864], Ferraris 2007:51 [ref. 29155]. Also in Bleeker 1846:41 [ref. 313]. See van Oijen et al. 2009:72 [ref. 30423]. •Synonym of Arius argyropleuron (Valenciennes 1840) -- (Kailola 1999:1839 [ref. 24732]). •Synonym of Plicofollis argyropleuron (Valenciennes 1840) -- (Kailola 2004:142 [ref. 28108], Marceniuk & Menezes 2007:92 [ref. 29031], Ferraris 2007:51 [ref. 29155], Kottelat 2013:250 [ref. 32989]). Current status: Synonym of Plicofollis argyropleuron (Valenciennes 1840). Ariidae: Ariinae. Habitat: brackish, marine.