The Beacon

Hammerheads under Siege: Human Pressure Threatening an Iconic Species

Scalloped hammerheads received protected under the ESA

A school of scalloped hammerhead sharks (Sphyrna lewini). (Photo: Oceana / Rob Stewart)

Sharks have existed for roughly 450 million years—even before the dinosaurs. But, the very adaptations that have allowed sharks to survive for so many millions of years may now be working against them in the face of a relatively new threat: fishing. Under modern fishing pressure, are certain sharks “evolved for extinction”?


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