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North Carolina Department of Environment Quality

NC Department of Environment and Natural Resources
Marine Fisheries - Giant Clam Geoduck

Marine Fisheries

Giant Clam, Geoduck

Panopea generosa

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.

N.C. Division of Marine Fisheries • 3441 Arendell Street • Morehead City, NC 28557 • (252) 726-7021 or 1-800-682-2632

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