Back, top of head and upper flanks olivegreenwith several irregular dark green blotches, someextending to lower flank. Lower head and body creamy.Dorsal small eyes. Body thicker in front and taperingcaudally. Caudal fin rounded to slightly emarginated.Oval scales on posterior part of body in adults. Nostrilsnearer to eye than snout tip. Two anterior pairs of barbelsreach back to nostril level. Posterior pair reach anterior torear of eye. Upper lip minutely tubercular and lower lipwidely interrupted in middle. Scale radii few and widelyspaced. Pelvic fin origin behind that of dorsal fin. Anusin some distance from anal fin. A large dorsal crest fromdorsal fin to caudal fin base. Lateral line almost complete.Intestine with a posterior loop. Snout equal orlonger than postorbital distance. Mouth cleft extends tobelow the nostrils. Maximum total length 30 cm. Foodinclude aquatic insects and cyprinid fish