Retrieved 10 August The four-chambered heart of the average sperm whale weighs about pounds kg - about as much as two average adult human beings. The females form matriarchal pods while the males form bachelor herds. Holthuis and more recent discussions with relevant experts. The sperm whale has a inch thick layer of blubber. Sperm whales increase levels of primary production and carbon export by depositing iron-rich faeces into surface waters of the Southern Ocean. Biol Rev Camb Philos Soc.
Compared to this, the brain of a Sperm Whale occupies only 0. It occurs in tropical to sub-polar waters 2. Save my name, email, and website in this browser for the next time I comment. Physeter Sperm whale P. Whales of the World.
Like that of all cetaceans, the spine of the sperm whale has reduced zygapophysial joints , of which the remnants are modified and are positioned higher on the vertebral dorsal spinous process, hugging it laterally, to prevent extensive lateral bending and facilitate more dorso-ventral bending. An all-male bachelor group will usually contain mails of the age 7 years to 27 years. These substances found a variety of commercial applications, such as candles , soap , cosmetics , machine oil, other specialised lubricants, lamp oil, pencils, crayons, leather waterproofing, rust-proofing materials and many pharmaceutical compounds. The calf is born anywhere between July and November. Holthuis and more recent discussions with relevant experts.
Dwarf sperm whale Kogia sima. Clicks are generated by forcing air through a pair of phonic lips also known as "monkey lips" or "museau de singe" at the front end of the nose, just below the blowhole. What is a Whale? The spermaceti organs may also help adjust the whale's buoyancy. Individuals rarely, if ever, join or leave a social unit. THE NAME The sperm whale was named for the valuable spermaceti oil wax that this whale produces in the spermaceti organ located in its head.