geoduck

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Related to Panopea abrupta: Mirugai, Gooey duck

geoduck

(go͞o`ēdŭk'), common name of a Pacific clamclam,
common name for certain bivalve mollusks, especially for marine species that live buried in mud or sand and have valves (the two pieces of the shell) of equal size.
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, Panope generosa. The largest intertidal burrowing bivalvebivalve,
aquatic mollusk of the class Pelecypoda ("hatchet-foot") or Bivalvia, with a laterally compressed body and a shell consisting of two valves, or movable pieces, hinged by an elastic ligament.
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 in the world, the geoduck may weigh up to 12 lb (5.4 kg). The shell is thin, lacks teeth, and may attain a length of 8 in. (20 cm). The valves, or two parts of the shell, are always open in the adult, because the body and siphons are too large to be retracted. Geoducks are found from British Columbia to S California, with the largest population in Puget Sound. They inhabit mud flats, burrowing to a depth of 3 or 4 ft (90–120 cm), where they live in semipermanent burrows. Although they are edible, they are not widely marketed due to their inaccessibility: They are exposed for only a few hours a month during minus tides, at which time they can be obtained with a shovel. Digging geoducks is considered a sport in Washington, where there is a limit of three per day. Geoducks are classified in the phylum MolluscaMollusca
, taxonomic name for the one of the largest phyla of invertebrate animals (Arthropoda is the largest) comprising more than 50,000 living mollusk species and about 35,000 fossil species dating back to the Cambrian period.
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, class Pelecypoda or Bivalvia, order Eulamellibranchia, family Saxicavidae.
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References in periodicals archive ?
The distribution of geoduck (Panopea abrupta) size, density and quality in relation to habitat characteristics such as geographic area, water depth, sediment type and associated flora and fauna in Puget Sound, Washington.
Geoduck, Panopea abrupta (Conrad, 1849) size, density, and quality as related to various environmental parameters in Puget Sound, Washington.
Bureau D, Hajas W, Surry NW, Hand CM, Dovey G, Campbell A (2002) Age, size structure, and growth parameters of geoducks (Panopea abrupta Conrad, 1849) from 34 locations in British Columbia sampled between 1993 and 2000.
Campbell A, Ming MD (2003) Maturity and growth of the Pacific geoduck clam, Panopea abrupta, in Southern British Columbia, Canada.
Modeling geoduck, Panopea abrupta (Conrad, 1849) population dynamics.
The proper name for the geoduck: resurrection of Panopea generosa Gould, 1850, from the synonymy of Panopea abrupta (Conrad, 1849) (Bivalvia: Myoida: Hiatellidae).
Preliminary assessments on the ages of geoducks, Panopea abrupta (Conrad), in southeast Alaska using thin section of shell hinges.
An isonema-like flagellate (Protozoa, Mastigophora) infection in larval geoduck clams, Panopea abrupta. J.
Geoduck (Panopea abrupta) recruitment in the Pacific Northwest: long-term changes in relation to climate.
Age, size structure and growth parameters of geoduck (Panopea abrupta, Conrad 1849) from 34 locations in British Columbia sampled between 1993 and 2000.
Geoduck, Panopea abrupta (Conrad 1849), size, density, and quality as related to various environmental parameters in Puget Sound.
Maturity and growth of the Pacific geoduck clam, Panopea abrupta. in southern British Columbia.