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After about three months in the nursery, mussel seed is "socked" (placed in a tube-like mesh material) and hung on longlines or rafts for grow-out. Within a few days, the mussels migrate to the outside of the sock for better access food sources in the water column. Mussels grow quickly and are usually ready for harvest in less than two years.
The golden mussel's life span is around 2 years. Growth is fastest during the summer, decreasing sharply in winter. During the first year mussels typically grow to ~ 20 millimetres (25 ⁄ 32 in), reaching ~ 25–30 millimetres (63 ⁄ 64 – 1 + 3 ⁄ 16 in) at the end of the second year. Growth rates and final size depend largely on water ...
Perna canaliculus, [a] the New Zealand green-lipped mussel, also known as the New Zealand mussel, the greenshell mussel, kuku, and kutai, is a bivalve mollusc in the family Mytilidae (the true mussels). P. canaliculus has economic importance as a cultivated species in New Zealand.
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.
They are usually about the size of a fingernail, but can grow to a maximum length around 50 mm (2 in). [7] [8] ... (1 ⁄ 32 to 3 ⁄ 16 in)-long zebra mussels. An ...
Blue mussels like colder water and “start to struggle and even die at water temperatures near 80F,” Borkman wrote. “Much of the Bay, especially shallow areas where people might harvest from ...
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.
The shell is thin but strong and about twice as long as it is wide. It can grow up to 8.25 inches, is elliptical in shape, and has no teeth. [2] The posterior portion of the valves has no wings. [2] In the juvenile phase, the shell's exterior is olive green. Once the mussel reaches maturity it turns to a darker, nearly black color.