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Great White Sharks' Teeth Adapt for Diet Changes

1/28/2026

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Summary

Story summary

A study finds great white sharks’ teeth change throughout life to fit diet.
Juvenile sharks have slender teeth for grasping fish and squid.
At about 3 meters, teeth become broader and serrated for slicing marine mammals.
Nearly 100 sharks showed a consistent pattern of tooth shape along the jaw, revealing a tuned feeding system.
The findings reinforce the view of white sharks as apex predators and highlight their dynamic biology.

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Story summary

A study finds great white sharks’ teeth change throughout life to fit diet.
Juvenile sharks have slender teeth for grasping fish and squid.
At about 3 meters, teeth become broader and serrated for slicing marine mammals.
Nearly 100 sharks showed a consistent pattern of tooth shape along the jaw, revealing a tuned feeding system.
The findings reinforce the view of white sharks as apex predators and highlight their dynamic biology.