Megalodon, the giant shark that lived more than 23 million years ago, was almost four times bigger than the great white shark that cruises our oceans today
Sign up for CNN's Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Megalodon, the giant shark that lived more than 23 million years ago and was inspiration for the movie"The Meg," was almost four times bigger than the great white shark that cruises our oceans today.
However, the two shark species, which once coexisted, likely hunted some of the same prey. This competition could potentially have been one reason why the 65-foot-long megalodon went extinct, a new study has suggested.To arrive at this finding, the researchers involved in the study used a new technique. They analyzed dietary signatures contained in the teeth of 13 extinct shark species and 20 modern sharks to understand where they fit in the food chain -- also known as their trophic level.
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