A hammerhead shark's unmistakable shape has made it an icon of the ocean, but demand for its large dorsal fin has also made many species prime targets for the shark fin trade. As overfishing continues to shrink populations, scientists are uncovering new insights that could guide future conservation efforts before it's too late.
on.natgeo.com
Hammerhead Sharks Up close
Overfishing is threatening to wipe out these vulnerable sharks. But conservation efforts can—and have—helped.