Red-bellied phoenix fish can be mixed with lantern fish. Red-bellied phoenix fish can also be mixed with small ornamental fish such as guppies and killifish.
Although red-bellied phoenix fish has a gentle temperament and can be kept with other small and mild tropical fish, it is important to keep In order to meet the needs of ecological stability and clarity of the water body, it is generally not allowed to co-culture with other fish, or only other small fish of the family Lipididae with very similar living requirements are selected for polyculture.
