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Quagga mussel invasion affects Arizona
Southwest Region, February 15, 2007
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The Dreissena species of mussels, which includes two closely related mussels, the zebra and quagga, are less than an inch long, but are extremely prolific. A single one of these mollusks is capable of producing up to a million microscopic larvae in a year. These rapidly-spreading invaders can clog pipelines, damage boat engines, and harm fishery resources.  Quagga mussels were found at the Central Arizona Project (CAP) intakes at Lake Havasu in mid-January and officials fear this invasive mollusk could spread into central Arizona lakes.  AESO Staff attended interagency meetings on January 25, 2007, hosted by Arizona Game and Fish Department, and February 15, 2007, hosted by Grand Canyon National Park, to discuss strategies on interagency coordination to prevent spread and understand biology of quagga mussels.

Contact Info: Martin Valdez, 505-248-6599, martin_valdez@fws.gov



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