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Freshwater bivalve species vary greatly in size. Some pea clams (genus Pisidium) have an adult size of only 3 mm (0.12 in). In contrast, one of the largest species of freshwater bivalves is the swan mussel from the family Unionidae; it can grow to a length of 20 cm (7.9 in), and usually lives in lakes or slow-flowing rivers.
Note that the common names of edible bivalves can be misleading, in that not all species known as "cockles" "oysters", "mussels", etc., are closely related. Ark clams , including: Blood cockle; Senilia senilis; Many species of true mussels, family Mytilidae, including: Blue mussels. Blue mussel; California mussel; Mediterranean mussel; Mytilus ...
The two major classes of molluscs have representatives in freshwater: the gastropods (snails) and the bivalves (freshwater mussels and clams.) It appears that the other classes within the Phylum Mollusca -the cephalopods, scaphopods, polyplacophorans, etc. - never made the transition from a fully marine environment to a freshwater environment.
These clams have, like all bivalve mollusks, a shell consisting of two parts that are hinged together, which can be closed to protect the animal's soft body within. [8] Like all mollusks, the freshwater mussels have a muscular "foot", which enables the mussel to move slowly and bury itself within the bottom substrate of its freshwater habitat.
The freshwater pearl mussel (Margaritifera margaritifera) is an endangered species of freshwater mussel, an aquatic bivalve mollusc in the family Margaritiferidae.. Although the name "freshwater pearl mussel" is often used for this species, other freshwater mussel species (e.g. Margaritifera auricularia) can also create pearls and some can also be used as a source of mother of pearl.
Crushed shells, available as a by-product of the seafood canning industry, can be used to remove pollutants from water. It has been found that, as long as the water is maintained at an alkaline pH , crushed shells will remove cadmium, lead and other heavy metals from contaminated waters by swapping the calcium in their constituent aragonite for ...
You can also keep them in a plastic bag and thaw them in a bowl of cold water or running cold water to speed up the process. Just remember, cold not hot water, so you don't accidentally cook the eggs.
Perna viridis, known as the Asian green mussel, is an economically important mussel, a bivalve belonging to the family Mytilidae, or the "true mussels".It is harvested for food but is also known to harbor toxins [citation needed] and cause damage to submerged structures such as drainage pipes.