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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.
Livyatan probably targeted medium-sized whales ranging in size from 7–10 m (23–33 ft). Macroraptorials probably competed with the extinct giant shark megalodon for the same food sources. [7] [10] [11] [12] In sperm whales, the supracranial basin holds the spermaceti organ, a series of oil and wax reservoirs which aids in echolocation.
However, the amount of fish taken is very little compared to what the sperm whale needs per day. Video footage has been captured of a large male sperm whale "bouncing" a long line, to gain the fish. [164] Sperm whales are believed to prey on the megamouth shark, a rare and large deep-sea species discovered in the 1970s. [165]
A livyatan refers to a toothed whale that actually existed. According to Kim, the livyatan is an ancient whale related to a modern sperm whale. Its skull is about nine feet long and its teeth are ...
The lumbar vertebrae were elongated and may have supported large multifidus and longissimus muscles in the back, likely larger than the modern sperm whale, and so it probably swam faster than the modern sperm whale; [1] the modern sperm whale typically travels horizontally at 4 kilometers per hour (2.5 mph), comparable to other large open-ocean ...
Livyatan melvillei is an extinct species of sperm whale that lived about 9.9 to 8.9 million years ago, during the Miocene epoch. The name was inspired by the biblical sea monster Leviathan, and Herman Melville, the author of Moby-Dick. It was probably an apex predator, preying on whales and seals.
The Snake Diet is an extreme intermittent fasting diet where you drink Snake Juice. Drastic before and after weight-loss results make it tempting, but experts say it's not the best diet. The Snake ...
• Sea snake (bottom right) Marine reptiles are reptiles which have become secondarily adapted for an aquatic or semiaquatic life in a marine environment. Only about 100 of the 12,000 extant reptile species and subspecies are classed as marine reptiles, including marine iguanas, sea snakes, sea turtles and saltwater crocodiles. [1]