Hawaiian hangers can be mixed with blue hangers, big sail hangers, pink blue hangers, and purple blue hangers. There is no need to match any fish in polyculture, but there are a few principles to follow.

1. The shape of the fish in the polyculture must be similar, otherwise the small fish will be eaten by the big fish.

2. In addition to the similar body shape, the habits of the fish It is also similar, the fish in polyculture must meet a temperature, pH, salinity and hardness of the water.

3. If you want to polyculture fish, you must provide enough space, and you need to prepare a large fish tank, otherwise it will affect their growth and even be detrimental to their health.