| 摘要 |
A marine cage for breeding fish comprises means defining an axis around which is a cage structure provided with a grating for preventing escape of the fish. At the ends of the axis are fixed two floats such that when one is full of water, the cage is completely immersed and the axis vertical and when the said float is empty of water, the cage is partially immersed and capable of turning around the horizontally orientated axis. Inside the cage is fixed a plate which serves as a collection device for dead fish when the cage is caused to turn slowly around the said horizontally orientated axis. <IMAGE> |
