You have to keep in mind that unlike most freshwater aquarium fishes, discus fish needs to be taken care of properly in order for them to grow healthy and happy even if they are not in their natural habitat. These are the reasons why you need to learn about the different care tips and techniques 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. Remember these things and you can be sure that you will be able to keep your Discus Fish alive and healthy. Make sure that you keep the pH level of the water at 6 and also the temperature at a constant 82 to 86 degrees F. If you want to add other species of fish in the discus fish aquarium, make sure that you try adding catfish, plecs, small tetras, and other gently and slow moving fish from South America. You have to keep in mind that lonely discus fish tend to be aggressive to their own kind as well as to other species of fish. Getting a discus fish in groups will also ensure breeding, which will eventually increase the population of discus fish in your aquarium. As you can imagine, having tiny discus fishes swimming around your aquarium is a very rewarding sight. Although this may seem difficult, many top breeders have provided different information to do so. And you may find that it is easier than you may think. There are a variety of methods that breeders use to know the gender of a discus fish, most of them are used when the discus fish have already grown. 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. Unless you have a river flowing through your house, the fish tank or the aquarium will be your discus fish home for the rest of its life.