bongan, Macrones Popta [C. M. L.] 1904:182 [Notes from the Leyden Museum v. 24 (no. 4) (art. 6) (for Oct. 1902); ref. 3547] Bongan River, central Borneo. Syntypes: RMNH 7548-49 (1, 1). Type catalog: Ferraris 2007:87 [ref. 29155]. •Questionably a synonym of Mystus nemurus (Valenciennes 1840) -- (Roberts 1989:122 [ref. 6439]). •Synonym of Mystus nemurus (Valenciennes 1840) -- (Jayaram & Sanyal 2003:86 [ref. 26894] as bongon). •Valid as Hemibagrus bongan (Popta 1904) -- (Ng & Ng 1995:136 [ref. 21730], Ng & Rachmatika 1999:168 [ref. 23964], Tan & Ng 1999:276 [ref. 24254], Kottelat & Widjanarti 2005:159 [ref. 28284], Parenti & Lim 2005:189 [ref. 28285], Ferraris 2007:87 [ref. 29155], Ng & Kottelat 2013:252 [ref. 32495], Kottelat 2013:258 [ref. 32989]). Current status: Valid as Hemibagrus bongan (Popta 1904). Bagridae. Distribution: Borneo. Habitat: freshwater.