Diagnosis: body depth 6.4-8.5 times in SL; head length 4.15-4.4 times in SL; snout rounded, 2.4-2.7 times in HL; eye superolateral, 5-5.75 times in HL, 1.5-1.85 times in interorbital space, 2-2.35 times in snout length; dorsal fin origin 1.15-1.3 times further from snout tip than from caudal fin origin, slightly in front of pelvic fin origin; anal fin origin 2-2.6 times further from pelvic fin origin than from caudal fin origin; pectoral fins large, 4-4.5 times in SL and 0.95-1.1 times longer than head; pelvic fins 5-5.9 times in SL, 1.15-1.4 times in HL; caudal peduncle 1.4-1.7 times longer than deep (Ref. 11970, 89136).

Description: mouth inferior; lower lip absent, but cutting edge present; scales small; caudal fin with 19 soft rays, its lower lobe slightly larger than upper (Ref. 11970, 89136).

Coloration: 6-7 mediolateral spots; mediodorsal spots on head and back; fins greyish with vague, blackish transversal bands, but clearly present on lower lobe of caudal fin (Ref. 11970, 89136).