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pearl mussel การใช้

ประโยคมือถือ
  • Freshwater pearl mussel, salmon and brown trout are found in the river.
  • The river is also the only habitat in Denmark of the freshwater pearl mussel.
  • The near-natural heath streams of the 謗tze, Weesener Bach, Aschau, trout and freshwater pearl mussels.
  • But the American freshwater pearl mussel plays its part.
  • Notable Irish species include the freshwater pearl mussel, diving bell spider, White Prominent moth, and Roesel's bush-cricket.
  • The common name " mussel " is also used for many freshwater bivalves, including the freshwater pearl mussels.
  • ""'Margaritifera " "'is a genus of freshwater mussels, aquatic bivalve molluscs in the family Margaritiferidae, the freshwater pearl mussels.
  • The molluscs which produce these pearls are called freshwater pearl mussels ( scientific name " Margaritifera margaritifera " ).
  • In 1911 the rivers abounded with salmon and trout, and the pearl mussel occurs in the Ythan and Don.
  • Among the invertebrates, Brittany is notably home to the escargot de Quimper, the freshwater pearl mussel and the white-clawed crayfish.
  • This practice was common when the industry mussel was primarily the cockscomb pearl mussel ( " Cristaria plicata " ).
  • Knut used a river pearl mussels from the river in B?to decorate both the grip board and the tailpiece.
  • The outer layer of pearls and the inside layer of pearl oyster and freshwater pearl mussel shells are made of nacre.
  • Many rivers and lochs were rich in salmon and trout, and the pearl mussel was found in the bed of the Conon.
  • The freshwater pearl mussel grows extremely slowly, inhaling water through exposed siphons, and filtering out tiny organic particles on which it feeds.
  • Although the name " freshwater pearl mussel " is often used for this species, other freshwater mussel species can also create " Unio ".
  • The river is a designated Special Area of Conservation, containing one of the largest surviving populations in Northern Ireland of the freshwater pearl mussel.
  • Should they become dislodged, freshwater pearl mussels can rebury themselves, and are also capable of moving slowly across sandy sediments, using their large, muscular foot.
  • Pearl oysters are not closely related to either the edible oysters of family Ostreidae or the freshwater pearl mussels of the families Unionidae and Margaritiferidae.
  • In early summer each year, around June and July, male freshwater pearl mussels release sperm into the water, where they are inhaled by female mussels.
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