fish pond is generally between 1 and 1.2 meters. If you plan to raise freshwater fish in high density, you can dig a little deeper, but generally not more than 2 meters. It is worth mentioning that deep water and shallow water have their own advantages and disadvantages. The advantage of deep water is to accommodate a larger body of water, which can also increase the upper limit of dissolved oxygen, ensure the breathing of fish, and also play a role in heat preservation, while shallow water is more conducive to warming, thus improving the appetite of fish in spring and summer.

2. What are the benefits

of deep fish ponds? 1. High feeding density: fish ponds are deep enough to accommodate enough water, so that fish can have enough space to move, so that more fish can be raised. Of course, there is an upper limit for high feeding density, which can not blindly raise more, which will lead to fish squeezing each other and increasing the possibility of injury and illness.

2. Heat preservation in winter: If there is more water in the fish pond, it will be less affected by temperature changes. Even if the water surface freezes, the temperature of the lower water body will not be too low. In this way, it can keep warm in winter. For some fish that need to survive the winter, the depth of the water is still very good.

3. Good maintenance of water quality: Good water quality is helpful to the growth of fish. The larger the water body is, the easier the water quality is to maintain. Less water is easy to damage the water. In addition, some aquatic plants can be planted in fish ponds, which are helpful to improve water quality and dissolved oxygen.