Definition of pearl mussel in English:

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pearl mussel

noun

An elongated freshwater bivalve mollusc which occasionally produces small pearls, found in large rivers of the northern hemisphere.
  • Margaritifera margaritifera, family Margaritiferidae
Example sentences
  • His PhD thesis looked at the ecology and conservation of the freshwater pearl mussel in Donegal.
  • The project won the national award for its work in improving the River Licky and helping to preserve a rare fresh water mussel, commonly known as the pearl mussel, which lives in the river.
  • The River Lickey is a very significant habitat for the shellfish commonly known as the pearl mussel because of the worthless pearls it produces.
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