Make sure that they have adequate space for each discus especially when they are breeding. If in a cramped space, this can lead to fighting and injuries. 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. Aside from the pellets and granules, you can also feed the breeders bloodworms and brine, fresh or frozen as discus fish are carnivorous fishes. Do keep their habitat livable. This means maintaining the temperature and the pH level of their water. Discus fish tend to get stressed when the water experiences an abrupt change or if its dirty. Today, there are available test kits that you can use to test the water if these chemicals are present in the water and also how much of it is present in the water. Water conditioning is the process of removing these chemicals from the water. This part is essential in order for you to properly care for your discus fish. But for breeding purposes, stick to the natural levels that discus fish are used to. If the temperature and the acidic level falls, there will be a good chance that your discus fish will not breed and in certain cases, they can even die. As with any fish, your tank should be kept clean at all times. No creature would like to live in a dump. This means that you have to have a large aquarium in order for you to keep Discus Fish, especially if you are planning on keeping more than two. You also have to remember that if you want to keep your Discus Fish happy, you have to keep at least 6 Discus Fish together in the same aquarium. The size and shape of the fish tank is also important. The breeding tube can be found between the anal fin and the anus. Some breeders say that the female discus fish have a more vibrant color, but there are fewer patterns. It s never easy to find the sex of an animal when they are small, especially when they are fishes. Fishes tend to be fast and moving all the time.