By asking these questions, you will be able to have a good idea about the background of the fish. Lastly, you have to take a look at the aquarium chemistry. Make sure that you ask the dealer about the current water condition that the Discus Fish you plan on buying is currently living in. This will give you a good idea on how to set up your aquarium and also help you if the dealer of the fish knows what they re doing. You may add some ornaments in your tank. Although they can survive without them, ornaments wont only make your aquarium look good, but they can also provide shelter for them for their protection and for their spawning. Also, some plants can help clean the tank. Secondly, and to some most importantly, your aquarium water should be strictly kept at a certain level, both in temperature and in pH level. That s why many fresh water aquariums today have the discus fish. So if you re willing to give it a go, then you have to know first the single most important aspect in discus fish raising is the water in your tank. 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. 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. Unlike other types of freshwater fish that you will often see in retail chains, Discus Fish will require you to pay close attention to them in order to keep them healthy. 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. So you will need to provide it with a habitat that will be conducive for breeding as well as living a life that it s used to. You have to note though that there are certain tank requirements for a particular breed of fish. You will be able to tell that which pair is the mating pair. 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.