See footage of a rare, swift octopus attack on an unsuspecting crab—one so aggressive it surprised even marine biologists. | National Geographic

If you’ve been to a sandy beach on the Chesapeake Bay or mid-Atlantic shoreline, you’ve likely marveled at the high-speed antics of the ghost crab. Watch our video for a (slo-mo) look at how these small crustaceans feed, burrow, and run and dive for cover! | Virginia Institute of Marine Science