Basking sharks head south for winter

Satellite-tagging data provide first evidence that the fish migrate to the tropics

When winter comes, many people vacation in the Caribbean. A new report suggests basking sharks have the same idea.

Basking sharks are the second largest fish, measuring about 6 to 7 meters when mature. The sharks are filter-feeders, swimming with their mouths open to take in a continuous flow of water and plankton.