The species is characterised by the conitnuity of the dorsal and anal fins with caudal fin; Four pairs of barbels and a single highly venomous serrate spine as the first dorsal and on pectoral fins; Dorsal fin: I, 70-100, Anal fin: 0, 60-80; The body is black-brown on the upper side and white ventrally; A pair of narrow white stripes extends from head to caudal fin; well separated dorsal fins; Gill membranes are narrowly attached across isthumus