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. This is not distinguishable when the discus fish are still young, you can only notice this when they are in their adult stage. During spawning, you will notice that the breeding tube of the male discus fish tends to be smaller and sharper, with the female, the breeding tube will be rounder, and broader. To go about it, there are three viable options for you, but to be honest, some of these options may not be the best way to do so. Here are your options: First, is to buy young discus fish, bout six to eight of them. As a fry, it is hard to determine the sex of the discus fish. So this is mostly a hit and miss affair. 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. Remember these tips and you can be sure that you will be able to purchase a great Discus Fish that will live for a very long time in your aquarium. Discus fish are high maintenance types of fishes, which are very sensitive to water quality and food quality. 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. A symptom of discus fish having internal parasites is that they may produce white feces. Emaciation can also occur and is also considered as a common symptom of internal parasite. A dose of Metronidazole usually clears the problem. You can get this ingested by your discus fish by medicating the food they eat.