There are many fish that Thai lion goldfish can mix with, such as butterfly carp, guppy, traffic light fish, moonlight fish, lotus lantern fish, Mary fish and fairy fish. Although the fish suitable for polyculture with Thai lion goldfish are tropical fish, these tropical fish do not require very high water temperature, and they all have certain cold tolerance, and they can live well even without heating except winter. In addition, these small tropical fish are flexible, and even if Thai lion goldfish want to attack them, it is difficult to catch them. This can not only enhance the ornamental, but also let the Thai lion goldfish exercise.

1. Fierce fish: Thai lion goldfish has a relatively mild character, so breeders can't mix them with fierce fish, otherwise Thai lion goldfish may be injured.

2. Larger fish: Thai lion goldfish is not aggressive, and its ability to attack is also weak. If breeders put them together with large fish, they are easily bullied by large fish, and may be eaten directly by large fish.

3. Fish with different habits: Thai lion goldfish is a cold water fish, although it can be mixed with some small tropical fish. However, it can't be mixed with some tropical fish with high environmental requirements, otherwise the two have different environmental requirements, and breeders are likely to lose sight of one thing and the other.