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The sperm whale or cachalot [a] (Physeter macrocephalus) 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.
Should the schizomid not retreat, it will lunge forward and seize its victim with its palps. [15] The prey is then subdued, and possibly taken to the shelter of a nearby crevice to be eaten. [ 15 ] The chelicerae dismember the prey item before the tissues are liquified into chyme and ingested via suction with the mouth.
Sperm whale and bottlenose whale. The sperm whale (Physeter macrocephalus) is the largest species of toothed whale, with adult bulls (males) growing to be about 15–18 m (49–59 ft) long, and weighing about 45–70 metric tons (44–69 long tons; 50–77 short tons).
Both combatants sense each other – the squid sees the whale, while the whale's echolocation reveals the squid's location. Upon seeing the whale as a potential predator, the squid releases a burst of ink as a warning, but she is ignored by the whale, which launches a slow attack on the huge squid. Just before she reaches the mouth, the squid ...
A state mammal is the official mammal of a U.S. state as designated by a state's legislature. The first column of the table is for those denoted as the state mammal, and the second shows the state marine mammals.
By the 18th century, the Azores’ resident population of sperm whales was drawing attention from the United States. Whaling ships from Nantucket and New Bedford, Massachusetts, would make the ...
Kogiidae is a family comprising at least two extant species of Cetacea, the pygmy (Kogia breviceps) and dwarf (K. sima) sperm whales.As their common names suggest, they somewhat resemble sperm whales, with squared heads and small lower jaws, but are much smaller, with much shorter skulls and more notable dorsal fins than sperm whales. [2]
Pygmy sperm whales and dwarf sperm whales are unique among cetaceans in using a form of "ink" to evade predation in a manner similar to squid. Both species have a sac in the lower portion of their intestinal tracts that contains up to 12 liters of dark reddish-brown fluid, which can be ejected to confuse or discourage potential predators. [30]