Giant Clam, Geoduck
Appearance: The geoduck (pronounced goo-e-duck) is a very large clam, often exceeding well over one foot in length and four pounds in weight. The body and siphon are too large to be fully enclosed by the shells. Typically, the siphon is used in raw (sushi-type) dishes and the body, or viscera, of the clam is discarded. They are typically sold live.
Typical Range: Native to U.S. West Coast.
Public Health Significance: Approved for human consumption if properly handled and labeled or tagged.