As males grow older they tend to disperse into smaller groups and the oldest males typically live solitary lives.Sperm whales use echolocation to catch their prey in the dark oceanic depths. There is no dorsal fin but there is a small hump two-thirds of the way down its back. It can be about 20 feet long (6 m), 10 feet high (3 m), and 7 feet (2.1 m) across, and is about one-third of the whale's body length. Flukes are lifted very high out of the water before a whale begins a deep dive.Sperm Whales have 20-26 pairs of cone-shaped teeth in their lower jaw. It is believed that they are not necessary for feeding on squid. The newborn instinctively swims to the surface within 10 seconds for its first breath; it is helped by its mother.

[39] The sperm whale is among the most sexually dimorphic of all cetaceans. The sperm whale is the largest toothed whale, with adult males measuring up to 20.7 metres (68 ft) long and weighing up to 80 tonnes (79 long tons; 88 short tons). Large lumps of ambergris may be vomited up by the sperm whale. The brain of the Sperm Whale is the largest and heaviest of all animals (weighing on average 7 kg in a grown male). The ribcage is flexible to allow lung collapse, and the heart rate can decrease to preserve oxygen supplies.

This data was intriguing because the whale’s highest heart rate almost outpaced predictions while the lowest heart rate was about 30 to 50 percent lower than predicted. More typical dives are around 400 metres in depth and 30-45 minutes' duration. Adult males grow to be about 50-60 feet (17-20 m) long, weighing about 40-50 tons (36-45 tonnes). They are believed to be able to dive up to 3000 metres in depth and 2 hours in duration to the ocean floor. The ribcage is flexible to allow lung collapse, and the heart rate can decrease to preserve oxygen supplies. However, the brain is not large relative to body size.The dorsal fin is set about two-thirds of the way down the spine and is typically short and shaped like an equilateral triangle. There are also some ridges between the hump and the tail flukes. In males puberty lasts for about ten years between the ages of about 10 and 20. The head has a distinctive box-like shape.

Sperm Whales are prodigious feeders and eat around 3% of their body weight per day.The social structure of the Sperm Whales species divides on sexual lines. The ribcage is flexible to allow lung collapse, and the heart rate can decrease to preserve oxygen supplies. Nursing takes place for two to three years. Within 30 minutes of its birth the baby whale can swim. The newborn calf is about 13 feet (4 m) long and weighs about 1 ton (0.9 tonnes). The fluke is also triangular and very thick. The sperm whale (Physeter macrocephalus) or cachalot / ˈ k æ ʃ ə ˌ l ɒ t, ˈ k æ ʃ ə ˌ l oʊ / is the largest of the toothed whales and the largest toothed predator.It is the only living member of the genus Physeter and one of three extant species in the sperm whale family, along with the pygmy sperm whale and dwarf sperm whale of the genus Kogia.. These teeth weigh about 2 pounds (900 g) each. 2 Recommendations. Each tooth can weigh as much as one kilogram. The Sperm Whale is exceptional for its very large head, particularly in males, which is typically one-third of its length. When the whale's mouth is closed, the teeth fit into sockets in the upper jaw. Females stay in groups or pods of about a dozen individuals and their young. SIZE Sperm whales are the largest toothed whales.

The reason for the existence of the teeth is not known for certain. The heads are frequently covered with circular scars that are made by the suckers of the It has 5-foot (1.5 m) long flippers that are about 3 feet (0.9 m) wide. Females are extremely social animals. “We would like to understand what their hearts are doing.” Related: Most …

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