This species is distinguished by the following: a prominent blade-like projection of the rostral proces is, longer than wide, with series of denticles on inner side; nasal spine absent; postorbital groove deep, interrupted; parietal crests low lacking a spine; preopercular spine present, small; opercular spine short, not reaching to upper margin of the cleithral spine base; pectoral fin of moderate length, reaching to base of 4th–6th anal-fin ray; first free pectoral-fin ray 68.3-80.0 % of length of pectoral fin, not reaching to tip of adpressed pelvic fin; scales strongly adherent; nape

scaly, belly fully scaly; breast and interpelvic area naked; 54-58 lateral-line scales, 4 scale rows between dorsal-fin base and lateral line; 18-21 scale rows below lateral line; D VIII-IX (mainly IX), 14-15 (mainly 15) in rays; A 14-15 (mainly 15);bucklers below dorsal-fin base 22-24 (mainly 23) , of which last 16–19 ending in strong sickle-like spine; inner side of joined pectoral fin with a blackish area lacking pale spots in preserved specimens; spinous dorsal fin lacking spot; vertebrae 11 + 19-21 = 30–32 (Ref. 127958).