Oyster, also known as oyster, has the highest zinc content among all foods (every 100g oyster, excluding the weight of shell, contains 87. 1% water and 7 1.2mg zinc, and is rich in protein zinc, so it is a good food for zinc supplementation. You can often eat oysters or protein zinc to supplement zinc. It belongs to the family Oyster, namely oyster and related animals, and is a kind of marine shell. Suitable for oyster culture in subtropical and tropical coastal areas, widely distributed in China. Oysters can be produced from the Yalu River in the north to the coast of Hainan Island in the south. Oysters are soft-shelled parasitic animals, especially those produced in the freshwater border of Yu Xian.

The traditional artificial oyster culture area in China is called oyster pond or oyster pond. Stone oysters are born with stones, and bamboo oysters are inserted in the bamboo seaside to become floating fields, also known as oyster ponds. Remarks: Oyster, a mollusk, has two shells, one is small and flat, the other is big and bulging, and the shell surface is uneven. Meat can be eaten and oyster sauce can be made. Meat, shell and oil can be used as medicine, also called oysters or oysters.

Living habits

1 habitat

The hard area of the seabed where oysters live is called oyster bed, which is located in deep or shallow seawater or salty estuary waters. Oysters live in the middle of intertidal zone.

2 Eating habits

Oysters fix shellfish. Generally, it is fixed on shallow sea objects or seaside rocks, and eats and breathes by opening and closing shells. As filter-feeding organisms, they mainly feed on micro zooplankton, diatoms and organic debris. Oysters generate airflow in water by vibrating cilia on gills, water enters gills, and suspended particles in water are stuck by mucus. Cilia and tentacles on gills classify particles according to their size. Then the small particles are sent to the mouth, and the large particles are transported to the edge of the film and thrown out.

Three natural enemies

Birds, starfish, snails and fish including rays all eat oysters. Oysters and snails are widely distributed. It often drills a small hole in the oyster shell with its tongue and sucks its living tissue. Other life threats faced by oysters, such as oyster beds being occupied by a mollusk called pink slippers, oysters being squeezed out, and diseases caused by various protozoan parasites. Human overfishing and industrial sewage discharge are also dangers faced by oysters.