Filmmaker Justin Bookey digs deep for the geoduck clam, the world's largest and oldest clam, in 3 Feet Under: Digging Deep for the Geoduck Clam. Pronounced "gooey duck", the clam has a phallic neck, ...

The name geoduck comes from the Nisqually Indian gweduc, which means "dig deep." The clam uses a tiny foot to burrow into the seafloor as it grows. Its shell can end up several feet down, with only ...

HARSTINE ISLAND, Wash. (AP) — John King plunges his arm up to his shoulder into the mudflats of Puget Sound, roots around and soon pulls from the muck the world’s largest burrowing clam. The mollusk ...