Sharks Take ‘Tunnels’ into the Depths to Find Food in the Ocean Twilight Zone August 9, 2018
7/27/18—Sharks may be using a special kind of eddy, a swirling body of water beneath the ocean’s surface, to hunt. These particular eddies, anticyclonic ones, are generally warm, downwelling circulations which might allow sharks to expend less energy on their way down into the deep for a feast in the ocean twilight zone.