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...
Scientific name: Symphysodon aequifasciata haraldi Common name: Blue discus Family: Cichlidae Usual size in fish tanks: 13 - 15 cm (5.12 - 5.91 inch) 0 14 Recommended pH range for the species: 5.5 - 7.5 Recommended water hardness (dGH): 0 - 8°N (0...