Lentipes kolobangara can be diagnosed by the following characters: pectoral fin with 17-18 rays; second dorsal fin I10; anal fin I9-10; and 7-9 scales in zigzag, 1-6 scales in transverse forward and 4-8 scales in transverse back series; and urogenital papilla retractable into a sheath-like groove in male and is without lobes or other expanded tissue. Male has few tricuspid teeth in the upper jaw (8-15) and 2-5 recurved canines posterior to tricuspid teeth, ctenoid scales on anterior body region strongly ossified, the base of the first dorsal fin not reaching the base of the second dorsal fin origin; and specific body colour with a red slim mustache on the snout reaching the eye and the base of the pectoral fins and the first third of their membrane are red (Ref. 109045).