Sperm Whales are most common in submarine canyons at the edges of the continental shelf, but they also occur in mid-ocean. Observation of tooth scar on the head of male sperm whale, as an indication of inter-sexual fightings. A social unit is a group of sperm whales who live and travel together over a period of years.
Sperm whales were a prime target of the commercial whaling industry from to Whaling greatly reduced the sperm whale population. Whaling is no. Sperm whales are considered endangered according to the U.S. Endangered Species Act. Sperm whale populations are difficult to estimate, mostly due to their .
Rope-mounted teeth are important cultural objects throughout the Pacific. Detectability Sperm Whales swim fairly slowly when at the surface, rarely exceeding 7. The sperm whale belongs to the order Cetartiodactyla ,      the order containing all cetaceans and even-toed ungulates.
Retrieved 10 August Squid is their favorite food, and they probably spend a lot of their diving time hunting for prey using echolocation. How they choose mates has not been definitively determined. Sperm Whales are deep and prolonged divers and can therefore feed throughout the entire water column, even in very deep areas. It is the only living cetacean that has a single blowhole asymmetrically situated on the left side of the head near the tip. Proceedings of the Royal Society B.
The sperm whale is the largest toothed whale. Males reach 60 feet Sperm whale population m in length Sperm whale population the smaller females are 37 feet 12 m. They are dark gray in color, have a hump rather than a dorsal fin, and usually display their tail flukes when they dive. Their skin is wrinkled to increase surface area for heat loss, giving them a shriveled look. Their heads make up one-third of Sperm whale population body length and are squarish in shape. They have a single, S-shaped blowhole located far forward and to the left of their head, which produces a distinctive angled spout or blow.