They may seem like statues at first glance, immobile, and striking, but giant clams move a fair amount. Remarkably, that movement is almost entirely dependent on perception. The border of the clam ...

A clam squirted water in a defensive response as a forager attempted to pry it open. Footage shows a woman using a small rock to shuck the mollusc, which was tightly attached to a rock in Shan ...