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(Left) - These are longlines with mother shell
or oyster "cultch" laced into the line. These longlines will have
oyster larvae set on them at Coast Seafoods shellfish hatchery. |
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Oyster shell is used for "cultch", and once the oyster larvae settles on the
shell it is referred to as spat or seed. Note the dark spots on the
oyster shells, they are all individual oyster spat.
Longlines with spat set on the cultch are transplanted later for grow out in
the Willapa Bay area of Washington's Pacific Coast and also down in Humboldt
Bay in California. |
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(Left) - These are longlines of Kumamoto Oysters in Humboldt Bay, California. The
longline keeps the oysters off the bottom which allows for them to grow faster and helps
prevent some predation.
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(Right) -
Longlines are harvested by cutting the
rope loose from the beach and loading them onto barges to be floated out
on the incoming tide. |
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