You don t have to train them, and side from the occasional cleaning, they can be kept wherever they are already placed. All the work though, and the expenses, come before the fishes arrive. Like fishes taken out of the water, well, literally fishes that are taken out of the water, your discus fish will need a tank where they will live on. To do this, a water purifier will be able to do the trick. Keep in mind that Discus Fish thrives in the Amazon River basin where the water is slightly acidic and soft. So, keep the PH level of the water lower than normal. You also need to make sure that the aquarium is away from doors that could open. How to Start Breeding Discus Fish Discus fish breeding can get quite addicting. This is a statement many breeders have said. It s easy to understand why. This extremely attractive fish which can provide any aquarium a stunning display of colors and patterns not only almost immediately brightens up a room, but also can be a good investment as discus fish is very much in demand and can fetch a high price. So that your discus fish wouldn t feel stressed of being in strange waters, you must emulate its previous habitat, which is the Amazon River. Try to maintain the same temperature and acidic level as what they were used to. Normally this would be at around 26 to 31 degrees Celsius. The water should also be acidic and soft. You should equip your aquarium with different corals or coral like ornaments which the discus fish can hide in or at least have some privacy. If these are not available, you can buy some potted plants. These are also good places where the fish can spawn. You should also keep your tank in a quiet area in your home away from noise so as not to startle the fish. They are very beautiful and you will find that almost every aquarium owner around the country would like to keep this kind of fish in their aquarium. However, with their beauty, you will find that they come with a high price. You have to remember that Discus Fish are very temperamental creatures. They are very sensitive when it comes to water quality as well as with the food you feed them.