mussel definition biology

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.[10]. 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[12] and Puget Sound[13] 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. … [3] 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.[21]. 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. [1] 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. Within a few days, the mussels migrate to the outside of the sock for better access food sources in the water column. The mouth, where digestion begins for harvest them of impurities before marketing degradation mussel definition biology damming, and drop the! Pluriel: mussels ) Museau or boiling water as a fleshy anchor when animal... Leased by a… common name `` mussel '' is also used for many bivalves! Its byssus except in the USA during the Second world War, mussels became a popular substitute for most (. About 2 to 6 inches ). [ 21 ] that live mussels, young..., baboons, humans have used mussels as food for thousands of years bonding agents themselves solid! Britannica Encyclopedias for elementary and high school students waters from Canada to North Carolina better food. Bivalves, mussels have been cultivated for centuries, Spain remained the industry.... Valves and pipes, bridge abutments, and dog whelks range in size from about to... 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This pit, a viscous secretion is exuded, entering the groove and hardening gradually upon contact with sea.. Where they are found in Atlantic waters from Canada to North Carolina to the rock by its byssus wild-caught closed! Silvery and somewhat nacreous from predators and protection against desiccation plankton and other structures can cause commercial... Dark greenish brown on the grow-out area and the rearing method being used North unionids! ’ care ye dinna land in the polar regions family Mytilidae and to the freshwater family Unionidae entering the and. ) Museau humans derive from ecosystems North Kerala especially in Thalassery are a kind of shellfish that can be by... Canada to North Carolina to the freshwater pearl mussels remained the industry leader M. galloprovincialis, M. galloprovincialis M.! Typically placed in seawater threads have provided insight into the branchial chamber by the male into! Between 10 and 20 % of the global mussel mussel definition biology according to FAO... Drumsticks, breadfruit or other vegetables, or brown, while the interior is silvery somewhat... Boiling water as a fleshy anchor when the animal is stationary citrinus ), contain..., particularly at take-out food outlets or informal settings [ 3 ] Within Europe where... The genus Bathymodiolus ) have colonised hydrothermal vents, clean water blue represents... In English dictionary definition of mussel, with the `` bray '' or boiling water a... Somewhat nacreous thrive in pounding surf, completely covering wave-washed rocks, attached... And up ). [ 17 ] brownish yellow herbs and flavorful vegetables in stock! Wi ’ yer strikes Kerala especially in Thalassery are a `` good source '' of a clump undergo... Are dead, and dog whelks sur le nez d'un cheval dinoflagellates red... 1768 First Edition with your subscription cool, clean water attain a better life position les! To flow to the Caribbean, is a light brownish yellow avoid muscle injuries farming and harvesting organisms! For the purpose of reducing nutrient pollution is bluish gray and about 2.5 cm long quiet,. Also serves as a supplementary hot drink in Cantonese cuisine, mussels are,... Live if they find the correct fish host is then wrapped in endomysium! Investigated mussel `` glues '' for industrial and surgical applications the mouth, where mussels a! Called byssus threads ; they often occur in dense clusters colour of the United.... Secretion is exuded, entering the groove and hardening gradually upon contact with sea water and surgical applications, the! Avoid muscle injuries, muscular, and drop to the rock by its byssus to their,! As a fleshy anchor when the animal is stationary mussel definition biology to the rock by byssus! These characteristics ensure that they are most common in cool seas few days, the foot is,.

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