Anatomy of the sperm whale's head. The organs above the jaw are devoted to sound generation. Atop the whale's skull is positioned a large complex of organs filled with a liquid mixture of fats and waxes called spermaceti.

2025年1月18日 · sperm whale, (Physeter macrocephalus), 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.

The sperm whale (physeter macrocephalus) is a large toothed whale that is part of the cetacean species, including whale, dolphin, and porpoise. The sperm whale is the largest of the toothed whales and can grow to be as long as 67 ft. They also …

2020年3月27日 · The sperm whale is not the biggest mammal on earth but it has the largest brain with an average of 7.8kg of brain mass in males. Its head represents ⅓ of its total body length (macro=big, cephalus=head), which can reach 20m.

The sperm whale is usually a dark, brownish gray with light streaks, spots and scratches. The skin around its mouth, particularly near the corners, is white. The ventral (underside) of the body is a lighter gray and may have white patches.

2023年9月10日 · Since the 1700s, scientists have sought to understand the purpose of the spermaceti organ and the overall anatomy of sperm whales, and many did this by observing the flensing of the whales on board whaling ships.

The sperm whale (Physeter macrocephalus) has a huge, square head which is 1/3 to 1/4 of the total body length (enclosing the large brain, spermaceti organ and associated structures; the spermaceti organ contains oil-like wax for which the sperm whale was highly valued and relentlessly hunted).

The sperm whale, Physeter macro-cephalus Linnaeus, 175885, is the larg-est and most sexually dimorphic mem-ber of the odontoceti or toothed whales. Males reach a maximum length of 18.5 m, while the maximum length of fe-males is 12.5 m …

2018年1月1日 · They have the largest brains on Earth, but their most distinctive anatomical feature is the spermaceti organ, a massive nasal complex, which produces powerful echolocation clicks. Sperm whales dive to about 600 m below the surface where they hunt primarily for squid.

2025年1月9日 · The sperm whale (Physeter macrocephalus) has the largest brain in the animal kingdom. It is also the largest toothed whale species and has the widest global distribution of all marine mammal species. The name “sperm whale” comes from the substance spermaceti, which is found in the sperm whale’s head and is suspected to play a role in echolocation.