''Symphysodon discus'', the red discus or Heckel discus, is a
species
In biology, a species is the basic unit of Taxonomy (biology), classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of ...
of
cichlid
Cichlids are fish from the family Cichlidae in the order Cichliformes. Cichlids were traditionally classed in a suborder, the Labroidei, along with the wrasses ( Labridae), in the order Perciformes, but molecular studies have contradicted th ...
native to the
Amazon Basin
The Amazon basin is the part of South America drained by the Amazon River and its tributaries. The Amazon drainage basin covers an area of about , or about 35.5 percent of the South American continent. It is located in the countries of Boli ...
, where found in the lower
Rio Negro, upper
Uatumã,
Nhamundá
Nhamundá is the easternmost municipality in the Brazilian state of Amazonas. Its population was 21,443 (2020) and its area is 14,106 km².IBGE
The Brazilian Institute of Geography and Statistics ( pt, Instituto Brasileiro de Geografia e ...
,
Trombetas and
Abacaxis.
This species is essentially restricted to
blackwater Blackwater or Black Water may refer to:
Health and ecology
* Blackwater (coal), liquid waste from coal preparation
* Blackwater (waste), wastewater containing feces, urine, and flushwater from flush toilets
* Blackwater fever, an acute kidney disea ...
habitats with a high temperature of and low
pH of 4.2–5.2.
This species grows to a length of
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
External links
*
{{Taxonbar, from=Q920640
Cichlid fish of South America
Fish described in 1840
Mucous feeding fish
discus