Shark Research

When sharks are fished-out from coral reefs, fish body shapes change

Sounds kinda weird.. but studying nearly identical coral reef systems off Australia, my collaborators and I discovered something unusual on the reefs subjected to nearly exclusive fishing of sharks—fish with significantly smaller eyes and tails. This provides evidence of ...

It Takes 5 Minutes to Keep Sharks Swimming

By Dr. Steve Kessel, Director of Marine Research at Shedd Aquarium Did you know that over 400 species of sharks call our oceans home? These predators originated around 450 million years ago, persisting through five mass extinction events since that time. Perhaps ...