In general, a crater should be able to mix with larger fish. Because the flamingo fish itself is very aggressive and likes to actively attack other fish, it can be mixed with fish that are larger than it, so that it can be suppressed in size and it will not be too excessive.

At the same time, it can also be more popular with some temperamental fish Mixed together, this can suppress the situation that it likes to fight. Therefore, it is best to mix crater with fish that are larger than it or have a temper. Specifically, it can be raised with parrot fish, map fish, dragon fish and other fish of similar size.

Firefish and parrot fish can be mixed together. First of all, the living environment of parrot fish and crater fish is relatively similar, and both can live at a temperature of 25 °C. In addition, the requirements for water quality of the two are not strict, and the choice of food is relatively similar. Both can be fed with red worms, earthworms, etc.