Chewing the pot and chewing the board means that the parent fish is about to breed, that is, clean the eggs, clean them with their mouths, then the female fish lays eggs and adheres to them, and then the male fish is fertilized.
Colorful angel fish lay eggs once a year. Usually, females mature in 9 months, and males 14 months. In order to breed, it is necessary to prepare a breeding tank, put the successfully paired parent fish into the tank, keep the environment quiet and wait for the fish to lay eggs. During the breeding period, change the water every day, but not much at a time, just a quarter. It usually takes 2-3 days to stop changing water after spawning and wait for the eggs to hatch.