Scientific name: Mustelus Mustelus.
It has a fusiform and slender body, with a flattened head and an ogival contour muzzle. The skin is covered with minute flakes with oval dermal denticles, imbricated and pointed with 2-4 hulls, which occupy only the basal part. It has an eye, devoid of a nictitating membrane, elliptical in shape and with a horizontal pupil; there is an obvious crease of the subocular skin. The nostrils are slightly spaced apart. It has five gill slits.