Goldfish can be mixed raised, but not all kinds of fish are suitable for living with it. Small fish can not be raised with it, otherwise they will be eaten. In polyculture, fish of similar size should be selected. It is better that their living environment and food can be consistent. After these conditions are met, it is not a problem to mix with it.
1. Tiger fish: it likes in the waters of the lower swimming, and goldfish like in the upper activities, they will not have to fight for territory between the problem. And the tiger fish is more ferocious, even if it fights with the goldfish, it will not be easily eaten.
2. Ray: It belongs to the bottom fish, and the upper layer of the goldfish do not violate each other. It has a docile character and will not conflict with other fish. But it has a very high requirement for water quality. In aquaculture, attention should be paid to changing water frequently to ensure fresh water quality.
3. Feifeng: It can eat moss, algae, etc. On the tank wall, but also clean up the food residue of other fish. When mixed with goldfish, it will not be attacked and excluded, which is the best choice for mixed culture.
4. Crown Six: It grows up to be very fierce. If it is raised with goldfish, it is best to put them in a tank when they are young. This kind of fish has a strong ability to recover, even if it is injured in a fight with the goldfish, it can recover in a short time.