1. Different species: colorful fairy fish is a fish of Cichlidae and Panliyu. Fairy fish is a fish belonging to the genus angelfish. There are great differences between them in variety.

2. Different shapes: Colorful fairy fish has a special shape and looks like a disk from the side. Moreover, the colorful fairy fish is about 20 cm long in adulthood and belongs to medium-sized fish. The shape of fairy fish is like a triangle, and their heads are relatively small and pointed. Both the dorsal and anal fins are large and swim like a soaring swallow. The length of fairy fish in adulthood is 12-15 cm, and some can grow to 20 cm, but it is not common.

3. Different origins: Colorful fairy fish are mainly distributed in Amazon River Basin, while fairy fish are distributed in Peru and Amazon Delta in South America.

Colorful fairy fish cannot be raised together with fairy fish, because both of them have strong territorial awareness and high requirements for the environment. If they are mixed together, there may be fights.

In addition, the dorsal fin and anal fin of fairy fish are fragile, and if there is a fight, they may be injured. Colorful fairy fish have high requirements on the environment and weak ability to resist diseases, so it is not recommended to raise them together.