bo, Macrones Popta [C. M. L.] 1904:183 [Notes from the Leyden Museum v. 24 (no. 4) (art. 6) (for Oct. 1902); ref. 3547] Bo River, Mahakam basin, central Borneo. Holotype (unique): RMNH 7549. Type catalog: Ferraris 2007:88 [ref. 29155]. •Questionably a synonym of Mystus baramensis (Regan 1906) -- (Roberts 1989:124 [ref. 6439]). •Status uncertain, in Hemibagrus -- (Ng & Ng 1995:135 [ref. 21730]). •Synonym of Hemibagrus nemurus (Valenciennes 1840) -- (Ng & Dodson 1999:49 [ref. 23894]). •Synonym of Mystus nemurus (Valenciennes 1840) -- (Jayaram & Sanyal 2003:86 [ref. 26894]). •Synonym of Hemibagrus fortis (Popta 1904) -- (Ferraris 2007:88 [ref. 29155], Ng & Kottelat 2013:239 [ref. 32495], Kottelat 2013:258 [ref. 32989]). Current status: Synonym of Hemibagrus fortis (Popta 1904). Bagridae. Habitat: freshwater.