Dorsal spines (total): 0; Dorsal soft rays (total): 17 - 20; Anal spines: 0; Anal soft rays: 7 - 9; Vertebrae: 28. Body uniformly blackish or dark blackish brown (Ref. 27363). Lateral line an open groove, bridged by scales at intervals. Swim bladder present. Juveniles: long cephalic and preopercular spine; big eye; teeth on jaws small, multiserial on premaxilaries; no teeth on palatine and vomer; gill rakers long and slender. Adult: no cephalic and preopercular spines; eye small; gill rakers tooth-like in groups on bony bases.
Source: FishBase. Post, A. 1986 . (Ref. 4737).