Web19 okt. 2024 · The megalodon was an ancient, extremely large predatory shark that was 49 to 60 feet long, weighed 50 to 70 tons and had a jaw that could open 10 feet wide. It existed from 16 million years ago to 2.6 million years ago. It may have preyed on many sea vertebrates besides whales. WebThe megalodon shark dominated the ocean for millions of years, until likely becoming extinct around 2.6 million years ago, as the fossil records of the mammoth shark disappear. ... Many sharks prefer to swim in warm water due to being cold-blooded which means the temperature of their blood is the same as the surrounding water temperature.
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Web13 aug. 2024 · Something we do not find, however, is fossil marine mammals. This seems to indicate that Megalodon young were also eating fish and smaller sharks rather than immediately going after marine mammals. This is something called an ontogenetic shift in diet, meaning that the shark changes its preferred food source as it grows. Web17 aug. 2024 · Based on their digital creation, researchers calculated that the megalodon would have weighed around 70 tons, or as much as 10 elephants. The creatures lived an estimated 23 million to 2.6m years ago. in from the wilderness
Megalodon: the truth about the largest shark that ever lived
Web11 jan. 2024 · The study also suggests that like many related extant sharks such as Great Whites, Megalodon embryos took part in oophagy, or a type of intrauterine cannibalism. In plainer English, the gigantic ... Web19 jan. 2024 · Megalodon first appear in the fossil record around 20 million years ago, having descended from a lineage that appeared about 60 million years ago. The species was found across Earth's oceans,... Web26 apr. 2005 · The megalodon was probably the end of a run of giant sharks that died out 2-3 million years ago, he said. Recently, a few fossil species was found off South America that look like an... in from the side subtitle french