Oyster farming in Thamai, Takad Ngao.
Why need to farm oyster ?
Because of the high demand from the market. It is very difficult to find nature oyster now days. Most of the oyster in market, is farming like this.
They need to farm from one place to other place, the place should be the river that near the sea.
If the water desalination, oyster will die. If the water too salty, oyster will not grow and thin.