They’re not overly active and don’t need a lot of room to move around. The good news is that you don’t need to worry about overstocking your tank with these fish. These fish are relatively large and need plenty of space to swim around and explore. The recommended tank size for blue discus fish is nothing less than 50 gallons. Some specimens have been known to grow a little larger, but this is quite rare. The average Blue Discus size is between 6 and 8 inches. As long as you provide them with a good diet and clean water, they should do well. The good news is that these fish are fairly easy to care for. This is true of all fish, not just blue discus. However, there are a number of factors that can impact their life expectancy.įor example, if they’re not kept in optimal conditions then their lifespan will be significantly shorter. The average lifespan of a blue discus is around 10 years. They also have a large mouth that extends past their eyes. They have large eyes that are set fairly far apart on their head. This gives them a bit more of a slow and deliberate swimming style. The body of the Blue Discus is very round and stocky. These fins help the fish to change directions quickly and make sudden stops. The pectoral fins are also blue and fairly large. ![]() The caudal fin is forked and symmetrical. ![]() The anal fin is a bit shorter but still quite tall. The dorsal fin is especially tall and starts about two-thirds of the way back on the body. ![]() The fins on this fish are also blue and quite large. The blue can range from a light sky blue to a much darker navy blue. As the name suggests, they’re a beautiful blue color all over their body. The first thing you’ll notice about this particular fish is their color. Therefore, it’s important to keep them in a tank with plenty of space and hiding places. However, in captivity they will accept a wide variety of foods, including pellets, flakes, and frozen foods.īlue discus are relatively peaceful fish, but they can be territorial toward their own species. In the wild, they primarily eat small insects and larvae. They prefer areas with a lot of vegetation and plenty of hiding places. They are one of the most popular cichlids in the aquarium trade due to their eye-catching blue coloration.īlue discus are mostly found in slow-moving rivers and flooded forests. The blue discus (scientific name: Symphysodon aequifasciatus) is a type of cichlid that’s native to the Amazon Basin in South America.
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