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Useful interactions with molluscs range from their use as food, where species as diverse as snails and squid are eaten in many countries, to the employment of molluscs as shell money and to make dyestuffs and musical instruments, for personal adornment with seashells, pearls, or mother-of-pearl, as items to be collected, as fictionalised sea ...
Some species are collected and eaten locally but are rarely bought and sold. A few species of molluscs are not commonly eaten now, but were eaten in historical or prehistoric times. The list is divided into marine and non-marine (terrestrial and freshwater) species, and within those divisions, the lists are primarily arranged taxonomically , so ...
In China and Japan, where it is native, the mussels are found in intertidal zones with densities up to 2500 individuals per square metre. In Australia, as an invasive species , they are found from 0.5 to 4 metres ( 1 + 1 ⁄ 2 to 13 feet) below the surface of the water in slightly higher densities.
Mussel (/ ˈ m ʌ s ə l /) is the common name used for members of several families of bivalve molluscs, from saltwater and freshwater habitats. These groups have in common a shell whose outline is elongated and asymmetrical compared with other edible clams, which are often more or less rounded or oval.
The longest marine bivalve, Kuphus polythalamia, was found from a lagoon near Mindanao island in the southeastern part of the Philippines, which belongs to the same group of mussels and clams. The existence of huge mollusks was established for centuries and studied by the scientists, based on the shells they left behind that were the size of ...
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With the help of the protein contained in the mussel and iron filtered from the sea, this gland produces the byssus threads with which the mussel can hold on. Mussels have a sphincter, which is located in the soft tissue of the mussel, as well as other organs (heart, stomach, intestines, kidneys).
Perna perna, the brown mussel, is an economically important mussel, a bivalve mollusc belonging to the family Mytilidae.It is harvested as a food source but is also known to harbor toxins and cause damage to marine structures.