Order Perciformes Genus Symphysodon Higher classification Discus | Phylum Chordata Scientific name Symphysodon discus Rank Species | |
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Similar Discus, Cichlid, Symphysodon aequifasciatus, Freshwater angelfish, Tubifex tubifex |
Symphysodon discus, the red discus or Heckel discus, is a species of cichlid native to the Amazon Basin, where found in the lower Rio Negro, upper Uatumã, Nhamundá, Trombetas and Abacaxis.

This species is essentially restricted to blackwater habitats with a high temperature of 26–32 °C (79–90 °F) and low pH of 4.2–5.2.

This species grows to a length of 12.3 centimetres (4.8 in) SL.
This species can also be found in the aquarium trade.
Parental care
Small fry of this fish feed on the mucus secreted by their parents.


References
Symphysodon discus Wikipedia(Text) CC BY-SA