Silver carp: Silver carp lives in the middle and upper layers of the water body. It belongs to filter-feeding fish. It is also the main freshwater fish in China. It grows fast and has a high yield. It is not easy to get sick. It can be mixed with grass carp and carp without feeding separately. Grass carp feces will promote the growth of plankton, which is its feed.

2. Catfish: Catfish, also known as bearded fish, is a kind of fish without scales on the body surface. It is widely distributed and is very common in the Yangtze River and Pearl River waters. As a carnivorous fish, it usually hides at the bottom of the water and likes slow-flowing waters, so it is very suitable for raising in stagnant ponds and has a large appetite.

3. Crucian carp: Crucian carp is widely distributed in China. As an omnivorous fish, it has a wide range of feeding habits and strong reproductive capacity. At the same time, it has good adaptability and low requirements for water temperature. It is very suitable for aquaculture. Moreover, it is mostly raised in the way of intercropping, which can be raised together with herring and grass carp.

2. How to turn stagnant water into living

water? If you want to turn stagnant water into living water, you need to install filters and other equipment in the pool, so that the water can flow. However, this kind of energy consumption is relatively high, which is not recommended in general, and stagnant water can also raise fish.