You should put in logs, rocks, plants and other spots where the discus fish can hide in or shelter in. You have to provide a lot of places in your tank where your discus fish can hide. The diet of discus fish is also important. Discus fish love to dine on worms. You should feed them bloodworms, brine shrimp, and daphnia. This is why you have to consider the size of the tank where you intend on keeping your Discus Fish. You have to try getting the largest aquarium that you possibly can in order for you to easily maintain the water quality. You may already know about the nitrogen cycle. You need to consider the fact that this is very important whenever you intend on keeping any kind of fish in a fish tank or aquarium. Discus Fish will establish territory within the aquarium and you will see them defending it against the other fish in the tank. This means that they are getting ready to breed. You have to keep an eye on the mating pair as you will need to move them in to the breeding tank. In order for the breeding to be successful, you have to get a separate tank for the breeding pair. These are small and peaceful catfish that does a great job as a bottom feeder. Get a couple of these fishes and they will be able to help keep your tank clean. Although Angelfish can look great with the discus fish, it is not recommended for smaller discus fish tanks. This is because Angelfish can grow very large and can bully the discus fish. Vary the diet of your discus fish. Aside from the flakes and granules, feed them blood worms or fresh or frozen brine shrimp as discus fish are carnivorous. Keep your aquarium in a quiet and solitary place. Too much noise and motion, like a door opening or heavy human traffic can cause them stress. Never overcrowd your tank. Lastly, you have to remember to feed your Discus Fish with pellets, flakes and worms. Porkhearts and beefhearts are suitable feeds for Discus Fish. For adult Discus Fish, you will need to feed them two to three times a day. Also, make sure that clean any uneaten foods as these things will secrete ammonia which can eventually increase the PH level.