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