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New Study Reveals Megalodon’s Flexible Diet and Role in Ancient Ecosystems

Zinc isotope analysis shows the prehistoric shark adapted its diet based on prey availability, challenging long-held assumptions about its feeding habits.

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A stock image shows a 3D illustration of the Otodus Megalodon, the largest predatory fish that has ever existed.
Jeremy McCormack with a fossilized megalodon tooth (Otodus megalodon).
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Overview

  • Researchers used zinc isotope analysis of fossilized teeth to uncover megalodon's varied diet and position in the ancient food chain.
  • The findings show megalodon was an opportunistic predator, feeding on marine mammals, large fish, and smaller prey depending on availability.
  • Megalodon’s dietary habits varied regionally, as evidenced by fossil studies in Germany’s Sigmaringen and Passau regions.
  • The study highlights megalodon’s status at the top of the marine food pyramid, while also revealing its ecological adaptability.
  • Scientists link megalodon’s extinction to competition with the more efficient great white shark, emphasizing the vulnerability of even apex predators.