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What Megalodon Really Ate to Meet Its 100,000-Calorie Daily Requirement, According to a New Study | News Channel 3-12

  • A recent study published Monday in Earth and Planetary Science Letters reveals that megalodon, the prehistoric apex predator that disappeared around 3.6 million years ago, had a more varied diet than previously thought and did not solely prey on large marine mammals.
  • Researchers conducted geochemical analyses on megalodon's fossilized teeth, revealing regional differences in its feeding habits and suggesting it was an opportunistic feeder rather than an exclusive whale hunter.
  • Lead author Jeremy McCormack said megalodon pursued whatever prey was locally available, feeding across the food web from large marine mammals to smaller animals and other top predators to meet its 100,000-calorie daily requirement.
  • Megalodon's teeth could reach up to 7 inches long, about the size of a human hand, and the study's findings challenge the idea that it was the sole king of ancient seas, showing it shared the top food chain spot with other opportunistic supercarnivores.
  • The study implies that megalodon's broad diet and the rise of the more agile great white shark, which shifts diet from fish to marine mammals, may have contributed to megalodon's extinction and reshaped views of ancient marine ecosystems.
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Fossil teeth analysis upends what’s known about megalodon’s diet, scientists say

The massive megalodon was not hunting only large marine mammals such as whales as researchers widely thought, a new study of minerals in fossilized teeth has found.

·Atlanta, United States
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CNN broke the news in Atlanta, United States on Tuesday, May 27, 2025.
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