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Consequently, many molluscs may have a multitude of eyes in more unlikely places, such as along the edge of their shell. [1] Chitons have a dispersed network of tiny eyes over the surface of their shells which may act together as a compound eye. [1] Many gastropods have stalked eyes; the eye can be retracted into the stalk itself in the ...
Unlike most shellfish, oysters can have a fairly long shelf life of up to four weeks. However, their taste becomes less pleasant as they age. Fresh oysters must be alive just before consumption or cooking. [67] Cooked oysters that do not open are generally assumed to be previously dead and therefore unsafe. [68]
In terrestrial pulmonate gastropods, eye spots are present at the tips of the tentacles in the Stylommatophora or at the base of the tentacles in the Basommatophora.These eye spots range from simple ocelli that cannot project an image (simply distinguishing light and dark), to more complex pit and even lens eyes. [6]
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The oyster larvae preferentially settle out on the mussel shells. Juvenile oysters are then grown on in nursery trays and are transferred to open waters when they reach 5 to 6 millimetres (0.20 to 0.24 in) in length. [99] Many juveniles are further reared off the seabed in suspended rafts, on floating trays or cemented to ropes.
Wrightsville Beach-based oyster harvester talks about life in the marsh.
The eastern oyster (Crassostrea virginica)—also called the Atlantic oyster, American oyster, or East Coast oyster—is a species of true oyster native to eastern North and South America. Other names in local or culinary use include the Wellfleet oyster , [ 3 ] Virginia oyster , Malpeque oyster , Blue Point oyster , Chesapeake Bay oyster , and ...
For more than a decade along the East Coast and Gulf of Mexico, millions of farmed oysters, which are grown in cages or bags in tidal areas, have fallen victim to Sudden Unusual Mortality Syndrome ...