Scientific name: Symphysodon discus Common name: Red discus Family: Cichlidae Usual size in fish tanks: 10 - 13 cm (3.94 - 5.12 inch) 0 14 Recommended pH range for the species: 4.3 - 6 Recommended water hardness (dGH): 0 - 4°N (0 - 71.43ppm) 0°C 32°F 30°C 86°F Recommended temperature: 26 - 30 °C (78.8 - 86°F) The way how these fish reproduce: Spawning Where the species comes from: South America Temperament to its own species: peaceful Temperament toward other fish species: peaceful Usual place in the tank: Middle levels Feeding As with other Discus species, the Red Discus needs a vitamins-rich food. Also use beef heart in order to help their colouration. Sexing Difficult. Breeding Egg-layers. They spawn on rocks or plants. Breeding is difficult since Discus fish use to choose partners. Lifespan Up to 10 years. Pictures