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Geoduck: Difference between revisions
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== Introduction == | == Introduction == | ||
Geoducks are a species of clam known by the scientific name ''Panopea generosa''. The geoduck gets its name from a form of a [[Native American]] word meaning “dig deep”. The Geoduck lives in the [[West Coast]] of [[North America]], mostly in [[Washington]] and [[British Columbia]]. The clams are best known for their large siphons that can be over 3 feet in length. As adults they have very few predators other than humans<ref name=EOL> [http://eol.org/pages/440072/details EOL-Geoduck] “EOL”. Web. December 11, 2012(Date-of-access).</ref>. | Geoducks are a species of clam known by the scientific name ''Panopea generosa''. The geoduck gets its name from a form of a [[Native American]] word meaning “dig deep”. The Geoduck lives in the [[West Coast]] of [[North America]], mostly in [[Washington]] and [[British Columbia]]. The clams are best known for their large siphons that can be over 3 feet in length. As adults they have very few predators other than humans<ref name=EOL> [http://eol.org/pages/440072/details EOL-Geoduck] “EOL”. Web. December 11, 2012(Date-of-access).</ref>. | ||
The average life expectancy of a geoduck is 146 years!! This makes them one of the longest living members of the animal kingdom | The average life expectancy of a geoduck is 146 years!! This makes them one of the longest living members of the animal kingdom<ref> Dave,Cap’t[http://www.pugetsoundmagazine.com/articles/a001/10021.php MAKING CLAMS PAY The Big Bad Geoduck] “Puget-Sound-Magazine.com’’. Web. December 11, 2012(Date-of-access).</ref>. | ||
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[[File:Geoduck.jpg|thumb|150px|left|The Geoduck or Giant Clam of the Pacific]] | [[File:Geoduck.jpg|thumb|150px|left|The Geoduck or Giant Clam of the Pacific]] | ||
A geoduck is a large species of [[bivalve]] [[clam]]. It has a rectangular shell that can be up to 9 or 10 inches long and 5 inches high. Each of the [[valves]] are equal in size and have irregularly shaped lines that indicate growth. The geoduck’s [[ligament hinge]] connects and holds the two valves together. The shell is covered by a thin covering called the [[periostracum]]. The periostracum protects the valve's middle layer from scratches and abrasions | A geoduck is a large species of [[bivalve]] [[clam]]. It has a rectangular shell that can be up to 9 or 10 inches long and 5 inches high. Each of the [[valves]] are equal in size and have irregularly shaped lines that indicate growth. The geoduck’s [[ligament hinge]] connects and holds the two valves together. The shell is covered by a thin covering called the [[periostracum]]. The periostracum protects the valve's middle layer from scratches and abrasions<ref name=mlife>[http://wikis.evergreen.edu/marinelife1011/index.php/Panopea_generosa#cite_note-2 Ever-green] ''marine-life-1011''. Web. March 7, 2011(Date-of-publication).</ref>. The geoduck is best known for its large siphon. The siphon itself may grow to over 3 feet in length. Inside the siphon there are two tubes: the [[inhalant]] and the [[exhalent tubes]]. The geoduck takes in water with its inhalant tube and expels waste through it exhalent tube. Like all clams the geoduck has a [[foot]]. It uses its foot to burrow into the ground where it then lives for the rest of its life<ref name=mlife>[http://wikis.evergreen.edu/marinelife1011/index.php/Panopea_generosa#cite_note-2 Ever-green] ''marine-life-1011''. Web. March 7, 2011(Date-of-publication).</ref>. | ||
<ref name=mlife>[http://wikis.evergreen.edu/marinelife1011/index.php/Panopea_generosa#cite_note-2 Ever-green] ''marine-life-1011''. Web. March 7, 2011(Date-of-publication).</ref> The geoduck is best known for its large siphon. The siphon itself may grow to over 3 feet in length. Inside the siphon there are two tubes: the [[inhalant]] and the [[exhalent tubes]]. The geoduck takes in water with its inhalant tube and expels waste through it exhalent tube. Like all clams the geoduck has a [[foot]]. It uses its foot to burrow into the ground where it then lives for the rest of its life | |||
== Life Cycle == | == Life Cycle == | ||
