The Pacific sleeper shark, (Somniosus pacificus), is a sleeper shark of the family Somniosidae, found circumglobally on continental shelves and slopes in temperate waters between latitudes 70°N and 22°N, from the surface to 2,000 metres (6,600 ft). Its length is up to 4.4 m (14 ft), although fishbase accepts that it could possibly reach lengths in excess of 7 m (23 ft).