Keeping Discus Fish: It s all about the Water First of all, you have to keep in mind that discus fish are considered to be one of the most beautiful types of fishes that people love to have in their aquarium. The aesthetic quality of discus fish is really eye catching and once you are able to see one, you will surely want one as your own. In fact, Discus Fish are so popular that in several Asian countries, breeding this kind of fish is a major industry. However, the problem with Discus fish is that they are very hard to keep. They are very sensitive to water quality and also to the type of food they eat. If you don t know how to keep a Discus Fish, then you have to first educate yourself how in order for you to continue enjoying having this fish in your aquarium for many years to come. 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. When buying a tank, the surface area is one of the important considerations. The tank surface area is necessary because this is where the oxygen and carbon dioxide exchanges. So if you have 3 to 4 pairs of discus fish, a 75 gallon tank would be good enough. If you can, try to add an outside filter, especially if you have a large tank, s this will be able to help out in increasing the aeration and the filtration of the tank. Tips To Remember Before You Buy a Discus Fish Discus Fish are one of the most popular types of fishes to have in a freshwater aquarium. They are very colorful and they can also be the center attraction of your aquarium. If you did your research about Discus Fish, then you know how expensive they can be. Make sure though to never overfeed your fish. The extra food will just become dirt inside the tank. For younger discus fish, you should feed them about four times daily, older fish only needs to be fed twice a day. Growing fishes need the food more. Discus fish should also be fed live or frozen food from time to time.