Freshwater pearl mussel play in the life of the freshwater pearl mussel, the conservation of salmon and trout is also central in the survival of this endangered freshwater mussel. Freshwater pearl mussel The freshwater pearl mussel ("Margaritifera margaritifera") is an endangered species of freshwater mussel, an aquatic bivalve mollusc in the family Margaritiferidae. Although the name "freshwater pearl mussel" is often used for this species, other freshwater mussel species can also create pearls and some can also be used as a source of mother of pearl. In fact, most cultured pearls today come from "Hyriopsis" species in Asia, or "Amblema" species in North
Pearl of Kuwait at the Victoria and Albert Museum in London, which closed on 19 January 2014. Its owners have made claims that it is the same pearl that is depicted in the portraits of Mary Tudor. The Pearl of Kuwait outweighs La Peregrina by a small amount. The pearl is currently on loan to the Smithsonian, who make no claims of its history or provenance. The Smithsonian does say that it is exceptional, that is weighs 64.4 carats, that its setting is 19th century in style, and that the pearl itself "recalls" those that originate from the Persian Gulf. Pearl of Kuwait