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A woman eats an oyster at a seafood restaurant. Molluscs are dying off in huge numbers along the East Coast and in the Gulf of Mexico (Getty Images/iStock)
Research shows that filter feeders such as oysters, clams and mussels have the potential to accumulate high concentrations of heavy metals in their soft tissues, posing a risk to humans ...
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Oyster farming is an aquaculture (or mariculture) practice in which oysters are bred and raised mainly for their pearls, shells and inner organ tissue, which is eaten. Oyster farming was practiced by the ancient Romans as early as the 1st century BC on the Italian peninsula [ 1 ] [ 2 ] and later in Britain for export to Rome.
Paralytic shellfish poisoning (PSP) is one of the four recognized syndromes of shellfish poisoning, which share some common features and are primarily associated with bivalve mollusks (such as mussels, clams, oysters and scallops).
Unlike most bivalves, the Olympia oyster's shell lacks the periostracum, which is the outermost coating of shell that prevents erosion of the underlying shell. The color of the oyster's flesh is white to a light olive green. Ostrea lurida oysters lie with their left valve on the substrate, where they are firmly attached. Unlike most bivalves ...
Farmed salmon, however, are trapped in cages and cannot make the journey toward colder water. Last year, when a record 17.4 million farmed salmon died in Scotland, processors blamed warming water.
There are many potential issues which can result in farmed fish interacting with wild. Various means of equipment failure can lead to farmed fish escaping their pens and dispersing into the wild: [27] infrastructure failure (e.g. a result of extreme weather damage) boat operations (e.g. collisions and propeller damage) predation (e.g. seals ...