Story perspectives

71% of Shark Species Face Extinction Risk, Study Warns

11/30/2025

Summary

Story summary

The majority of Carcharhinus shark species—71%—are at risk due to overfishing and climate change.
Researchers analyzed 1,256 shark teeth to assess morphology and its link to extinction risk.
Sharks with specialized teeth, including Pondicherry and Oceanic whitetip sharks, are more vulnerable.
The study finds that shark tooth diversity could decline by 15% if Critically Endangered species vanish and 63% if Near Threatened species disappear, underscoring the urgent need for conservation.

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Story summary

The majority of Carcharhinus shark species—71%—are at risk due to overfishing and climate change.
Researchers analyzed 1,256 shark teeth to assess morphology and its link to extinction risk.
Sharks with specialized teeth, including Pondicherry and Oceanic whitetip sharks, are more vulnerable.
The study finds that shark tooth diversity could decline by 15% if Critically Endangered species vanish and 63% if Near Threatened species disappear, underscoring the urgent need for conservation.