Body, head and fins plain grey (yellowish grey in life); barbel-like, pointed nostril flap reaching to posterior margin of eye; anterior nostril pierced on front side of the flap; processus dentiformis present; lower lip interrupted medially; lateral line complete; anus about 1-2 eye diameters in front of anal-fin origin; 7.5 branched dorsal-fin rays; 5.5 branched anal-fin rays; caudal fin emarginate, with 8+8 branched rays; axillary lobe present (Ref. 36949).