Poached hammerhead fins traced to endangered populations

Mapping populations with DNA comparisons offers possible tool for conservation

Demand for shark fin soup has pummeled hammerhead shark populations. And some of those sharks are taken from already decimated stocks, finds a new analysis that uses DNA to pinpoint the origins of hammerhead fins sold at market.

ENDANGERED An estimated 1 million to 3 million hammerhead sharks are killed each year for their fins, which can fetch $120 per kilogram in some markets.