100-gallon tankĪ 100-gallon tank makes for quite a large aquarium. Any tank smaller than the 50-gallon size is not a good choice to keep the discus fish. In this tank, they will delightfully live together in the form of group. This is the most recommended tank size to keep discus fish. Do not forget to check if the other fish are compatible with discus, otherwise, they would end up fighting and harming each other. If you want to mix fish from any other breed with discus, then you should minimize the number of discus to 3 in this tank and add 2 other fish. Install plants, spawning surfaces, and an electric filter to maintain the water conditions. It is easier to create an ideal environment for that number in such a wide space. Inside a 50-gallon tank, you can keep almost 5-6 discus fish together. If you increase the number of discus in your tank, then they might survive but it won’t be an ideal condition.Ĭramping your discus fish in smaller spaces will lead to stress and various diseases. You can keep them, breed them and care for them in the best manner by cleaning their tank regularly. 30-gallon tankĪ 30-gallon tank size is ideal for 3 discus fish. Without too much accessories, a 25-gallon tank might be able to provide sufficient space for 3 discus to swim around. Keeping in mind the presence of aquarium plants, you are suggested not to add excessive items for decoration. 25-gallon tankĪ 25-gallon tank can accommodate 2-3 discus fish easily.
Discus fish fry also start harming their parents after a few weeks so separating them into another tank is the right option for you. If you are keeping a male and female together, then get ready to welcome their babies if they end up mating.įor the first few weeks, you can keep the fry along with parents but eventually you will have to move them in a separate tank to avoid the overcrowding. This will be the ideal tank size for a pair of fish to live and carry on their daily activities. Inside a 20-gallon tank, you can easily keep 2 discus fish including tank accessories. But as soon as they grow large, you would have to upgrade the tank size or shift one fish to a separate tank. For healthy growth of discus fry, get the tank water cleaned regularly or install a high-quality filter. However, you can keep 2 baby discus fish when they are not fully grown inside a 15-gallon tank. You can keep 2 discus fish in this size but they won’t live happily or for a long time. 15-gallon tankĪ 15-gallon tank is a small space for a pair of adult discus fish. It is important to note that discus fish like staying in a group of 5-6 and it is not recommended to keep them isolated in a tank. If you will keep more than one discus, that tank space would be insufficient for both of them. This makes a 10-gallon tank unsuitable for discus fish. To create an ideal atmosphere inside the tank, you also need to install plants or accessories which take up a lot of space. 10-gallon tankĪ 10-gallon tank is suitable for keeping a single discus fish. If you think you can keep a discus fry in a 3-gallon tank, then it is also not possible as discus fry need to stay with the parents during the first few weeks after they are born. Even if you want to keep a single fish in that size, it is not recommended. But 3 gallon is just a size of a fish bowl which is not suitable for keeping discus. Let’s find out the capacity of different tanks for the accommodation of discus fish: 3-gallon tankĪs mentioned earlier, the discus fish needs a wide tank to move around and live joyfully with other tank mates. A deep and big tank is recommended for a discus to sustain a happy life. You have to figure out the ideal tank size according to the number of discus fish to provide them with the proper environment to thrive.ĭiscus needs a larger tank to survive as compared to other aquarium fish. In this article, we’ll talk about different tank sizes for discus fish according to the fish’s life style, behavior and requirements. Since these fish like to live in a group of 5-6 discus, you would have to provide them at least 50 gallons of water. One fish per 10 gallons of water would work fine for discus. How many discus fish can you keep in your tank? To keep the discus fish in ideal conditions, a large-sized tank is preferable. Before purchasing this majestic beauty, you’d want to make sure that they get a perfect tank size and an ideal environment. Discus fish is a little hard to handle as compared to other aquarium fish.