D1 145; D2 absent; P1 12; P2 absent. Color of body steely blue with metallic reflections, becoming silvery gray after death. Body extremely elongate,compressed and tapering to a point. Posterior edge of opercle rounded. Anal fin reduced to minute spinules buried in skin; caudal fin absent; pelvic fins present but reduced to a scale-like process. Lateral line running almost straight along midbody or slightly nearer the ventral contour. Scale minute.