This species is distinguished by having the following characters: pectoral fins short, usually reaching the vent, but not extending to the anal fin origin; upper and lower lips enlarged; 38-41 (mode 40) pored lateral-line scales; 12-13 (mode 12) gill rakers on the lower limb of the first branchial arch; 2nd anal spine when depressed extends to base of last anal ray or half the length of the caudal peduncle (Ref. 94655).