All Discus fish variants originate from the Amazon region in South America. They prefer lakes, deep puddles and smaller rivers and streams. The water in this region is acidic and you should therefore provide your Discus with a pH between 6.0 and 6.5. It is also important that you keep the water in the aquarium soft, 0-3dH is recommended. Discus cichlids like to stay in the shadow during the day and the ideal water temperature in the aquarium is 25-29°C (77-84°F).
Discus cichlids are not very competitive and if you place them in the same aquarium as more assertive fish species, e.g. Angelfish, your Discus might be without food and starve or suffer from malnutrition. More docile species are therefore recommended as tank mates. Keeping several Discus cichlids together is a very good idea since Discus cichlids feel more at ease when in a group. A small group consisting of 6-8 specimens is ideal if your aquarium is large enough. You can also keep Discus with schooling fish, e.g. characins, since their presence will have a calming effect on the Discus. It should however be noted that Discus can consider smaller fish as food if it has not been brought up together with small fish.
Discus cichlids are not very competitive and if you place them in the same aquarium as more assertive fish species, e.g. Angelfish, your Discus might be without food and starve or suffer from malnutrition. More docile species are therefore recommended as tank mates. Keeping several Discus cichlids together is a very good idea since Discus cichlids feel more at ease when in a group. A small group consisting of 6-8 specimens is ideal if your aquarium is large enough. You can also keep Discus with schooling fish, e.g. characins, since their presence will have a calming effect on the Discus. It should however be noted that Discus can consider smaller fish as food if it has not been brought up together with small fish.
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