Elongate, hunched body; snout long; mouth large, angular; teeth high, roughly triangular, pointed; eyes horizontal ovals, with ventral nictitating membranes; width between eyes = 4.5-5.6% of TL, 5 gill slits, last 2 over pectoral fin base; 2 large dorsal fins, second slightly smaller than first; first dorsal broadly triangular, its mid-base nearer pelvic base than pectoral base; dorsal fins with rear fibrous edge; distance between dorsal fins = 16-21% of TL, first dorsal behind pectoral; anal fin smaller than and with origin under middle of second dorsal; tail strongly asymmetrical, lower lobe with concave rear edge in adults; skin denticles on flank pointed ovals, canal along entire center.
Grey above, paler below; fibrous rear edge of dorsal and tail fins dark.
