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Category: Acceptance
Word Count: 643
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zebra mussels

Zebra mussels taking toll on domestic fish species
Posted on Tuesday, August 17, 2004 @ 3:26 PM PDT by bjs


In 1991, an exotic bivalve called the zebra mussel moved into the Hudson River. Over the past two decades, the prolific species has colonized habitats with hard sediments, becoming the most abundant animal in the river's freshwater reaches. As competitors in the aquatic food chain, scientists have long speculated that zebra mussels may impact fish. A new study has revealed that op
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