Like most bivalves, mussels have a large organ called a foot. The water is then brought into the branchial chamber by the actions of the cilia located on the gills for ciliary-mucus feeding. The Mississippi and St. Lawrence river basins were home to 297 North American species of the bivalve mollusk families Unionidae and…, Blue mussels are cultivated in Italy, Spain, France, the Netherlands, and near Germany in the North Sea and the Baltic. The periostracum is composed of a protein called conchin, and its function is to protect the prismatic layer from abrasion and dissolution by acids (especially important in freshwater forms where the decay of leaf materials produces acids). Mussel (Zoöl) Any one of many species of marine bivalve shells of the genus Mytilus, and related genera, of the family Mytidæ.The common mussel (Mytilus edulis; see Illust. Mussels: Characteristics, Biology and Conservation. Glochidia are generally species-specific, and will only live if they find the correct fish host. These include supporting services such as nutrient recycling and storage, structural habitat, substrate and food web modification, and use as … Prior to their release, the glochidia grow in the gills of the female mussel where they are constantly flushed with oxygen-rich water. In coastal Karnataka Beary's prepare special rice ball stuffed with spicy fried mussels and steamed locally known as "pachilede pindi". Mussel, any of numerous bivalve mollusks belonging to the marine family Mytilidae and to the freshwater family Unionidae. While the mussel industry in the US has increased, in North America, 80% of cultured mussels are produced in Prince Edward Island in Canada. Mussel definition, any bivalve mollusk, especially an edible marine bivalve of the family Mytilidae and a freshwater clam of the family Unionidae. Foods that are an "excellent source" of a particular nutrient provide 20% or more of the recommended daily value. Mussel… The valves are joined together on the outside by a ligament, and are closed when necessary by strong internal muscles (anterior and posterior adductor muscles). mussel (plural mussels) Any of several groups of bivalve shellfish with elongated, asymmetrical shells fresh water mussels, usually edible, of the order Unionida in subclass Palaeoheterodonta. Marine mussels are abundant in the low and mid intertidal zone in temperate seas globally. Aquaculture of mussels in North America began in the 1970s. salt water mussels, usually edible, of the order Mytilida in subclass Pteriomorphia. By signing up for this email, you are agreeing to news, offers, and information from Encyclopaedia Britannica. Their population status or structure, physiology, behaviour or the level of contamination with elements or compounds can indicate the status of the ecosystem.. mussel définition, signification, ce qu'est mussel: 1. a small sea creature that has a black shell with two parts that close tightly together. Ongoing efforts in the Baltic Sea (Denmark, Sweden, Germany, Poland) and Long Island Sound and Puget Sound in the U.S. are currently examining nutrient uptake, cost-effectiveness, and potential environmental impacts of mussel farming as a means to mitigate excess nutrients and complement traditional wastewater treatment programs. Sperm is released by the male directly into the water and enters the female via the incurrent siphon. Originally, the young mussels, collected from wild stocks, were spread on controlled banks leased by a…. They are either prepared with drumsticks, breadfruit or other vegetables, or filled with rice and coconut paste with spices and served hot. Mussels synonyms, Mussels pronunciation, Mussels translation, English dictionary definition of Mussels. What does Mussel mean? The word "mussel" is frequently used to mean the bivalves of the marine family Mytilidae, most of which live on exposed shores in the intertidal zone, attached by means of their strong byssal threads ("beard") to a firm substrate. Definition of mussel 1 : a marine bivalve mollusk (especially genus Mytilus ) usually having a dark elongated shell 2 : a freshwater bivalve mollusk (as of Unio, Anodonta , or related genera) that is especially abundant in rivers of the central U.S. …  Within Europe, where mussels have been cultivated for centuries, Spain remained the industry leader. The two species of the tiny zebra mussel (genus Dreissena) are prominent freshwater pests, known to proliferate readily and to adhere in great numbers to virtually any surface. Byssal threads, used to anchor mussels to substrates, are now recognized as superior bonding agents. After harvest, mussels are typically placed in seawater tanks to rid them of impurities before marketing. A person affected in this way after eating mussels is said to be musselled.. Pteriomorphia (marine mussels) Glossary Sources: Bogan, Arthur E. 2002. The zebra mussel’s filtering activities tend to wipe out phytoplankton, disrupting the aquatic food chain that supports many fish species and driving many native mussel species to extinction. Open, unresponsive mussels are dead, and must be discarded. Mussel (/ˈmʌsəl/) is the common name used for members of several families of bivalve molluscs, from saltwater and freshwater habitats. : +33 3 83 96 21 76 - Fax : +33 3 83 97 24 56 The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves) The OLD version of the MUSSELpdb online is no longer supported. The California mussel, Mytilus californianus, is a large edible mussel, a marine bivalve mollusk in the family Mytilidae.. The shell has three layers. Vous pouvez partager vos connaissances en l’améliorant selon les recommandations des projets correspondants. (They can be tested by slightly opening the shell halves.) In Belgium, the Netherlands, and France, mussels are consumed with French fries ("mosselen met friet" or "moules-frites") or bread. mussel definition: 1. a small sea creature that has a black shell with two parts that close tightly together. For instance, mussels should be avoided along the west coast of the United States during the warmer months.  Other species of marine mussel live in tropical intertidal areas, but not in the same huge numbers as in temperate zones. Several North American unionids are threatened by habitat degradation, damming, and the invasion of zebra mussels. At low tide mussels in the middle of a clump will undergo less water loss because of water capture by the other mussels. Unusually heavy, wild-caught, closed mussels may be discarded as they may contain only mud or sand. Home | About | Database | Mussel of the Month | Publications & Presentations : MUSSELpdb : Introduction Browse d'basing : Page last updated 2 July 2019 . There are several labeled drawings to assist users with mussel anatomy. The tulip mussel (Modiolus americanus), from North Carolina to the Caribbean Sea, attaches itself to broken shells and rocks; its smooth, thin shell is usually light brown but sometimes has rosy or purple rays. You … Canal du Mussel-Aa. This layer allows nerves and blood to flow to the individual fibers. Mussels attach themselves to solid objects or to one another by proteinaceous threads called byssus threads; they often occur in dense clusters. mussel: Any of various marine bivalve mollusks that attach to hard surfaces in intertidal areas with byssal threads, especially the edible members of the family Mytilidae and in particular Mytilus edulis, a blue-black species of the North Atlantic Ocean, raised commercially for food. Mussels grow quickly and are usually ready for harvest in less than two years. In addition, its massive clustering on water-intake valves and pipes, bridge abutments, and other structures can cause severe commercial damage. Their name comes from the dark, zig-zagged stripes on each shell.Zebra mussels probably arrived in the Great Lakes in the 1980s via ballast water that was discharged by large ships from Europe. This forms extremely tough, strong, elastic, byssal threads that secure the mussel to its substrate allowing it to remain sessile in areas of high flow. In New Zealand, they are served in a chilli or garlic-based vinaigrette, processed into fritters and fried, or used as the base for a chowder. Mussel shells usually open when cooked, revealing the cooked soft parts. Define mussel. Freshwater mussels are eaten by muskrats, otters, raccoons, ducks, baboons, humans, and geese. Definition of Mussel. 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