The eyes on this shark is small, and there are outlet above and behind him. Both dorsal fins are small and of equal size and the caudal fin asymmetrical. There is no anal fin.
Range: This shark is mainly an animal with cold water. It is present in the North Atlantic Ocean in the polar latitudes, but can sometimes be found further south in the Gulf of Maine, or very rarely, and southward to the Gulf of Mexico. In the Atlantic Ocean can be found in Baffin Island in the Gulf of St. Lawrence and on the Scottish shelf. It is sometimes caught in the mouths of rivers.Very often caught Canadian fishermen fishing for halibut and other species of deep water.