alternans, Pangio Kottelat [M.] & Lim [K. K. P.] 1993:210, Fig. 3 [Raffles Bulletin of Zoology v. 41 (no. 2); ref. 21437] Blackwater stream entering the Mahakam River on the left side near Mujub, Kalimantan Timur, Borneo, Indonesia, 0°01'S, 115°43'E. Holotype: MZB 5895. Paratypes: CMK 7737 (7), 7757 (6), 7782 (24); MZB 5896 (10); ZRC 35037-46 (10). •Valid as Pangio alternans Kottelat & Lim 1993 -- (Doi 1997:15 [ref. 22832], Tan & Kottelat 2009:59 [ref. 30261], Kottelat 2012:38 [ref. 32367], Kottelat 2013:182 [ref. 32989]). Current status: Valid as Pangio alternans Kottelat & Lim 1993. Cobitidae. Distribution: Mahakam River drainage, Borneo, Indonesia. Habitat: freshwater.