Discus are quite difficult to care for and breed, and you may not achieve a high survival rate for the young on your first attempt. One feature not found in most other aquarium species is the young fish's instinct to feed from the parents' skin, making them easier to care for if you are willing to leave the two generations in the same tank. However, if you wish to raise the fish in a controlled environment, away from the threat of cannibalism or disease present when adults are around, you will need to feed them a specialized replacement for the parents' nutrients. Read more from https://www.wikihow.com/Breed-Discus