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Are oysters fresh water or sea water?
Oysters are mollusks at the junction of fresh water and seawater.

1. Oysters mainly grow in the coastal waters where salt and fresh water meet and the water quality is pure. The growth environment of oysters is closely related to the quality of oysters. Therefore, oysters have certain requirements for water temperature, bait and salinity in the growing area, and aquaculture enterprises need scientific and standardized farming methods.

2. Because oysters feed on microalgae and plankton in filtered seawater, the water area is the key factor affecting the growth of oysters. Generally speaking, the intersection of salt and fresh water will bring rich nutrients and promote the growth and reproduction of basic organisms in the sea area, thus providing bait for oysters and fattening them.

3. Generally speaking, oysters are widely distributed in China, and oysters can be raised in Yalu River in the north and Hainan Island in the south, so the growth environment of oysters in different regions is different. But in the final analysis, the factors that affect the growth environment of oysters mainly include water conditions, geographical location and scientific breeding mode.