pearl mussel वाक्य

उदाहरण वाक्य

1. The "'glochidium "'( plural "'glochidia "') is a microscopic larval stage of some freshwater mussels, aquatic bivalve mollusks in the families Unionidae and Margaritiferidae, the river mussels and European freshwater pearl mussels.
2. Like all molluscs, the freshwater pearl mussel has a muscular'foot'; this very large, white foot enables the mussel to move slowly and bury itself within the bottom substrate of its freshwater habitat.
3. It remains an area of outstanding natural beauty, with a diverse ecological system and wide variety of plants, birds and fish, including freshwater pearl mussel, Atlantic salmon, whooper swans, kingfishers and otters.
4. The project aims to conserve the species at 21 sites in the UK . The freshwater pearl mussel relies for part of its life on the presence of salmonids, a group of fish including salmon and trout.
5. The main commercial sources of mother of pearl have been the pearl oyster, freshwater pearl mussels, and to a lesser extent the abalone, popular for their sturdiness and beauty in the latter half of the 19th century.
6. One family of nacreous pearl bivalves  the pearl oyster  lives in the sea, while the other  a very different group of bivalves  lives in freshwater; these are the river mussels such as the freshwater pearl mussel.