Anterior nasal flaps rather high, triangular and very broad. Eyes circular and relatively large. Mouth large and rounded. A high and prominent interdorsal ridge. Second dorsal fin origin slightly anterior to anal fin origin.
Pectoral fins large, with narrowly rounded or pointed apex.
Males and females reach maturity at 216 and 226 cm, respectively. In north eastern Atlantic waters, most young are born during August-September. Feeds on a wide variety of benthic species, mainly fish and cephalopods. The young may occur in shallower waters. Some specimens are caught in the bottom trawl fishery, and with bottom and drifting longlines.