Rhomboidal disc of flattened, pointed head, body and pectoral fins snout rigid, long, sharply pointed, with concave sides at its base, its length 12.3-16.4% of TL; 36-40 rows of teeth on upper jaw; large spiracles behind eyes; pelvic fins deeply notched, with 2 distinct lobes, rear one larger; spines on rear borders only of ventral side; 2 small dorsal fins at rear of tail, no tail fin; spines on disc small, thin, not grooved, with oval bases; no spines around or just behind eyes or on back; 1 row of spines along tail, extending onto pelvics and sometimes onto mid-back; top of disc with scattered small denticles.
Olive brown above, tan below; sometimes dark mottling, occasionally a dark ocellus or spots at base of each pectoral.
