bimaculatus, Macrones Volz [W.] 1904:466 [Revue Suisse de Zoologie v. 12 (no. 2); ref. 15218] Sengi Si Russu and Kwantang River, near Djapura (Indragari), Sumatra, Indonesia. Syntypes: (5) MHNG 683.28 (1), NMW 45166-67 (1, 1). Type catalog: Weber 1998:10 [ref. 32707], Ferraris 2007:94 [ref. 29155] •Valid as Mystus bimaculatus (Volz 1904) -- (Kottelat et al. 1993:65 [ref. 23448], Burgess & Finley 1996:164 [ref. 22901], Tan & Ng 1999:277 [ref. 24254], Ng et al. 2001:357 [ref. 25966], Jayaram & Sanyal 2003:41 [ref. 26894], Ng 2003:376 [ref. 26909], Ferraris 2007:94 [ref. 29155], Kottelat 2013:262 [ref. 32989]). Current status: Valid as Mystus bimaculatus (Volz 1904). Bagridae. Distribution: Sumatra, Indonesia. Habitat: freshwater.