Dorsal spines (total): 2; Dorsal soft rays (total): 7 - 9; Anal spines: 0; Anal soft rays: 131. Snout low, slightly protruding beyond the large mouth, without a spinous terminal scute. Scales small, slightly oblong, with moderate-sized median ridge, without spines or with few weak spinules, and 0 to 5 much lower, non-spinulated ridges laterally on exposed field. Swim bladder small, with 2 retia mirabilia. Gray-brown on head and body, each scale with a prominent dark posterior border, fins and lateral line darker; black in mouth, gill cavity, and on peritoneum (Ref. 6885). Branchiostegal rays: 6-6; pyloric caeca: 12-16;
Source: FishBase. Cohen, D.M., T. Inada, T. Iwamoto and N Scialabba. 1990 . (Ref. 1371)