In the sand surrounding coral reefs, the giant clam reigns supreme; they are massive, multi-colored, and statuesque. As the largest living bivalve mollusk, the giant clam acts as a lynchpin for its ...

And that shell comes in all different sizes. There are small clams, like these, which are often used for cooking. And then there are giant clams, which can grow more than a meter long and weigh as ...