Author: (Bleeker, 1851)
Comments: Found in very acidic (pH 4-5), tannin-stained blackwater habitats associated with peat swamps (Ref. 32835).  Occurs in lowland stream and peat.  Nocturnal; feeding on aquatic insect and smaller fishes (Ref. 57235).  Feeds mainly on insect larvae.  Probably non-migratory.  Not seen in markets (Ref. 12693).