Ocean's fiercest predators now vulnerable to extinction

The numbers of many large shark species have declined by more than half due to increased demand for shark fins and meat, recreational shark fisheries, as well as tuna and swordfish fisheries, where millions of sharks are taken as bycatch each year. Now, the global status of large sharks has been assessed by the World Conservation Union, widely recognized as the most comprehensive, scientific-based information source on the threat status of plants and animals.