Dorsal spines (total): 0; Dorsal soft rays (total): 118-132. Body extremely elongate, compressed and tapering to a point. Mouth large with a dermal process on the tip of each jaw. The lower hind margin of the gill cover convex. Lateral line running almost straight, closer to the ventral contour. Anal fins reduced to minute spinules buried in skin. Pelvic fins reduced to scale-like spines. Fresh specimens steely blue with metallic reflections, becoming silvery gray after death.