Diagnosis: Lips plicate; dorsal fin concave with 9 to 10 branched rays; eyes in superolateral position; genital orifice very far from origin of anal fin; body cylindrical, slightly elongated; snout truncate with deep transverse furrow and fleshy appendix directed upwards (Ref. 26192).

Description: Body cylindrical; head with a prominent stepped snout, usually with rough star-shaped tubercles; mouth large; outer lips fleshy, inner rims with horny shaped edge, lower lip papillose; a single pair of barbels; gill openings restricted to sides of head (Ref. 52193). Dorsal fin with 3 unbranched and 9-10 branched rays; anal fin with 3 unbranched and 5 branched rays (Ref. 52193). Scales in lateral line 34-37, 12-16 around caudal peduncle; 5 scale rows between lateral line and dorsal fin (Ref. 52193).

Colouration: Olive-to yellow-green with a darker body band, larger specimens usually darker olive grey; eye distinctively red above (Ref. 52193). Dark lateral band present in young fish only (Ref. 4967).