The geoduck ( "gooey duck"), Panopea abrupta, is a species of large saltwater clam, a marine bivalve mollusk. The shell of this clam is large, about 15 to over 20 cm in length (about 7 to 9 inches), but the tremendously long siphons make the clam itself much longer; the "neck" or siphons alone can be one meter in length.
The unusual name of the clam is derived from a Lushootseed (Nisqually) word meaning "dig deep", and its phonemic counterintuitive spelling is likely the result of poor transcription. Alternate spellings include gweduc, gweduck and goiduck. It is sometimes known as the king clam or, when translated literally from the Chinese characters 象拔蚌, the elephant trunk clam.
Native to the Pacific Coast of the United States and Canada (primarily Washington, British Columbia, and Southeast Alaska), it is the largest burrowing clam in the world, weighing in at an average of one to three pounds (0.5 - 1.5 kg) at maturity, but specimen weighing over 15 pounds (7.5 kg) and as much...
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