sentences:  In the Pacific, this shark occurs off Japan, New Zealand, and Australia from Cape Hawke, New South Wales, to Beachport, South Australia, including Tasmania.The deepest-living shark known, the Portuguese dogfish has been reported at depths of to from the lower continental slope to the abyssal plain, and is most common between and .This species is found deeper in the Mediterranean, seldom occurring above a depth of and being most common at .