Crabs must molt because their hard, calcified exoskeleton cannot grow with them. Before molting, they reabsorb calcium and weaken their old shell from the inside. During ecdysis, they painfully pull ...

This stone crab surprised crabbers in Chesapeake Bay when it turned up in one of their blue crab traps recently. It is one of the first stone crabs ever documented inside the Chesapeake. Courtesy ...

Like all arthropods, crabs must shed their tough exoskeleton to grow to a larger size. The video from the Shape of Life YouTube channel shows the fascinating details of just what it looks like as a ...