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Sperm whales have also been noted to feed on bioluminescent pyrosomes such as Pyrosoma atlanticum. [167] [168] [169] It is thought that the foraging strategy of sperm whales for bioluminescent squids may also explain the presence of these light-emitting pyrosomes in the diet of the sperm whale. [169] Ambergris
The dwarf sperm whale is a small whale, 2 to 2.7 m (6 ft 7 in to 8 ft 10 in) and 136 to 272 kg (300 to 600 lb), that has a grey coloration, square head, small jaw, and robust body. Its appearance is very similar to the pygmy sperm whale, distinguished mainly by the position of the dorsal fin on the body–nearer the middle in the dwarf sperm ...
Livyatan is an extinct genus of macroraptorial sperm whale containing one known species: L. melvillei. The genus name was inspired by the biblical sea monster Leviathan, and the species name by Herman Melville, the author of the famous novel Moby-Dick about a white bull sperm whale. Herman Melville often referred to whales as "Leviathans" in ...
Thy live in matriarchal groups of about 10 and sometimes meet up with hundreds or thousands of other whales. Sperm whales can grow up to 60 feet (18 meters) long and dive to nearly 3,280 feet ...
Sperm whales defecate near the surface because they shut down non-vital functions when they dive to depths of up to 10,000 feet (3,000 meters Endangered sperm whales now have their first protected ...
Zygophyseter varolai is an extinct sperm whale that lived during the Tortonian age of the Late Miocene 11.2 to 7.6 million years ago. It is known from a single specimen from the Pietra Leccese Formation in Italy. It was a member of a stem group of fossil macroraptorial sperm whales (often shortened to "raptorial") also including Brygmophyseter ...
The pygmy sperm whale was first described by naturalist Henri Marie Ducrotay de Blainville in 1838. He based this on the head of an individual washed up on the coasts of Audierne in France in 1784, which was then stored in the Muséum d'histoire naturelle. He recognized it as a type of sperm whale and assigned it to the same genus as the sperm ...
Kogiidae are deep diving whales, believed to dive up to depths of 500 m. [8] Kogiids feed using a technique known as suction feeding, and their diet primarily consists of squid. [20] [21] Pygmy sperm whales are able to eat larger prey than dwarf sperm whales, although their diet as a whole is relatively similar. [21]