Fins are typically pale and have a greyish sheen above. The body is shark-like, with prominent pectoral fins; the head is flattened and has a blade-like snout with 18–22 pairs of lateral teeth that are not tapered distally. narrow nasal passages with tiny nasal flaps. Short, flattened, broadly triangular, and lacking a groove along the posterior borders are the rostral teeth; the basal part of the blade is toothless. Young people have exposed skin, adults have widely spaced denticles.