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  2. Freshwater pearl mussel - Wikipedia

    en.wikipedia.org/wiki/Freshwater_pearl_mussel

    The River Kent catchment area is the only river in the UK where the freshwater pearl mussel and the white clawed crayfish are found in the same habitat. [39] The goal is to increase the freshwater pearl mussel population by 4,000 individuals and expand its range within the River Kent Special Area of Conservation (SAC). The site's population ...

  3. Margaritiferidae - Wikipedia

    en.wikipedia.org/wiki/Margaritiferidae

    Margaritiferidae is a family of medium-sized freshwater mussels, aquatic bivalve molluscs in the order Unionida. [1] [2] It is the most threatened of all unionid families.[3]The family is sometimes referred to as the freshwater pearl mussel family, [4] but "freshwater pearl mussel" more often applies to the species Margaritifera margaritifera.

  4. Margaritifera auricularia - Wikipedia

    en.wikipedia.org/wiki/Margaritifera_auricularia

    Margaritifera auricularia is a species of European freshwater mussel, an aquatic bivalve mollusk in the family Margaritiferidae, the freshwater pearl mussels.Formerly found throughout western and central Europe, the species is now critically endangered and is one of the rarest invertebrates worldwide, being confined to a few rivers in Spain and France.

  5. Grants awarded to restore freshwater mussels in west branch ...

    www.aol.com/grants-awarded-restore-freshwater...

    Dec. 23—WILKES-BARRE — The Pennsylvania Fish and Boat Commission (PFBC) this week announced that a conservation partnership, of which it is a member, has been awarded a National Fish and ...

  6. Unionida - Wikipedia

    en.wikipedia.org/wiki/Unionida

    Exportation of freshwater mussels for the use in the Japanese cultured pearl industry has supported the North American freshwater mussel fisheries since the late 1950s. The mother of pearl (or nacre) from exported freshwater mussels are used to make a bead nucleus which is placed in a living animal to form a pearl. In the 1990s, the United ...

  7. Western pearlshell - Wikipedia

    en.wikipedia.org/wiki/Western_pearlshell

    The western pearlshell (Margaritifera falcata) is a species of freshwater bivalve, a pearl mussel, a bivalve mollusk in the family Margaritiferidae. This species can be found only in the United States and Canada, where it occurs mostly west of the Rocky Mountains.

  8. Nore pearl mussel - Wikipedia

    en.wikipedia.org/wiki/Nore_pearl_mussel

    The Nore pearl mussel (Margaritifera durrovensis) is a critically endangered species of freshwater pearl mussel, an aquatic bivalve mollusc in the family Margaritiferidae.. The species is endemic to Ireland and was first identified by R.A. Phillips in 1926, who later declared it a new species in Volume 18 of the Proceedings of the Malacological Society.

  9. River Ehen - Wikipedia

    en.wikipedia.org/wiki/River_Ehen

    The river Ehen was designated a Special Area of Conservation in 2005. [ 4 ] [ 5 ] The section of the coast into which it flows was designated as the Cumbria Coast Marine Conservation Zone in 2013. The Ehen is home to the Ennerdale black pearl , a rare black pearl formed in freshwater pearl mussels . [ 6 ]

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