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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.
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]
Sperm whales are classified as endangered in the U.S. and are rarely sighted in the region, according to Engleby, marking this presence as a "rare event." The last recorded sperm whale stranding ...
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]
Sperm whales are listed as an endangered species in the U.S. Eventually, the whale's carcass is likely to be either towed out to sea, taken to a landfill or buried, officials said. It was ...
Articles relating to the sperm whale (Physeter macrocephalus, cachalot) and its closest relatives. It 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 ...
A juvenile sperm whale was spotted near Jennette’s Pier on North Carolina’s coast the morning of Dec. 27, the N.C. Aquarium on Roanoke Island said in a news release.