All rights reserved. Sperm whales' heads are filled with a mysterious substance called spermaceti. Scientists have yet to understand its function, but believe it may help the animal regulate its buoyancy. They have the largest brain of any creature known to have lived on Earth.
Sperm whale , Physeter catodon , also called cachalot , the largest of the toothed whales , easily recognized by its enormous square head and narrow lower jaw. The sperm whale is dark blue-gray or brownish, with white patches on the belly. It is thickset and has small paddlelike flippers and a series of rounded humps on its back. Males attain a maximum length of about 19 metres 62 feet and females about 12 metres 39 feet. Sperm whales are deep divers, commonly reaching a depth of about metres 1, feet , and have been found tangled in cables more than 1, metres 3, feet below the surface.
Sperm whales Physeter catodon , or cachalots, are the largest of the toothed whales , with males up to 19 meters 62 feet long—more than five times the length of a large elephant —and females up to 12 meters 39 feet in length. They are easily recognized by their enormous square head and narrow lower jaw. As far as we can tell, Moby Dick was the only sperm whale that delivered a unique brand of karmic justice to one-legged sea captains bent on vengeance.
Sperm whales are the largest of the toothed whales and have one of the widest global distributions of any marine mammal species. They are found in all deep oceans, from the equator to the edge of the pack ice in the Arctic and Antarctic. They are named after the waxy substance, spermaceti, found in their heads. Spermaceti was used in oil lamps, lubricants, and candles. Sperm whales were a prime target of the commercial whaling industry from to