Coconut Crab Claw Pinch The Strongest In Crustaceans, Stronger Than Bites Of Many Terrestrial Animals According to a new study, Coconut Crab can pinch with a super force of 750 pounds, which is surpassed only by alligators and a few others. The study of Okinawa Churashima Foundation in Japan measured the pinching prowess of 29 Coconut Crabs. by Kalyan Kumar