New research reveals shark super highways
The world’s sharks are disappearing. These fearsome yet charismatic fish continue to fall victim to overfishing and many are now at risk of extinction as a result. New research shows that open-ocean sharks are particularly threatened from overfishing, and other work shows that the deeper sharks live, the longer it takes for their populations to recover. Yet researchers are just now learning critical details of their behavior, including the fact that some species migrate quickly along “superhighway” routes and congregate at established “stepping stone” sites.
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