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 ...

Why it's awesome: Pacific geoducks are large, saltwater clams that can live longer than 165 years. These phallic-looking sea creatures have very long necks called siphons and are considered a culinary ...

Once buried, a geoduck's shell remains sedentary. While other clams move to avoid predators, a geoduck, when approached by a hungry crab or spiny dogfish, retracts its siphon, like a turtle ...

Adult clams have a lifespan of one to five years and are known to spawn multiple times per breeding season, depending on environmental conditions. They have high reproductive rates, with an average ...