Key points of polyculture
1, mixed fish culture should first consider the water quality problem, and soft-water fish and hard-water fish should not be mixed, otherwise the fish will be difficult to survive.
2. Mixed culture should consider fish food, and all kinds of fish have different requirements for feed. If you want to mix fish, you must consider the feeding habits.
3. The range of fish activities, that is, the size of the fish tank, the larger the tank, the easier it is to be mixed. The habits of fish itself include upper-layer fish, middle-layer fish and bottom-layer fish, and they can be mixed if they are mastered well. 4. The problem of fish's body shape, the growth rate of fish's body shape is different, and the phenomenon of big fish eat small fish will appear in the later stage.
5, the color problem of fish, polyculture is mainly to make up for the single color of a single fish.