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Great White Sharks' Teeth Transform with Age and Diet

1/31/2026

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Summary

Story summary

A study published in Ecology and Evolution shows that great white sharks undergo age-related changes in their teeth.
Juvenile great white sharks have slender teeth suited for catching fish and squid.
As they age, their diet shifts to larger prey such as seals, prompting broader, serrated teeth.
The study analyzed teeth from nearly 100 sharks and links tooth transformation to feeding strategy and hunting efficiency.

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Story summary

A study published in Ecology and Evolution shows that great white sharks undergo age-related changes in their teeth.
Juvenile great white sharks have slender teeth suited for catching fish and squid.
As they age, their diet shifts to larger prey such as seals, prompting broader, serrated teeth.
The study analyzed teeth from nearly 100 sharks and links tooth transformation to feeding strategy and hunting efficiency.