Symphysodon discus, the red discus or Heckel discus, is a species of cichlid endemic to the Amazon Basin of Brazil, where found in the lower Rio Negro, upper Uatumã, Nhamundá, Trombetas and Abacaxis.[2]
| Symphysodon discus | |
|---|---|
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Cichliformes |
| Family: | Cichlidae |
| Genus: | Symphysodon |
| Species: | S. discus
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| Binomial name | |
| Symphysodon discus Heckel, 1840
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| Synonyms | |
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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.[3]
This species grows to a length of 20 centimetres (7.9 in) SL.[4]
Parental care
editSmall fry of this fish feed on the mucus secreted by their parents.[5]
References
edit- ^ Instituto Chico Mendes de Conservação da Biodiversidade (ICMBio) (2022). "Symphysodon discus". IUCN Red List of Threatened Species (in Portuguese). 2022: e.T141105901A141105905. doi:10.2305/IUCN.UK.2022-1.RLTS.T141105901A141105905.pt. Retrieved 5 July 2024.
- ^ Amado, M.V.; Farias, I.P.; Hrbek, T. (2011). "A Molecular Perspective on Systematics, Taxonomy and Classification Amazonian Discus Fishes of the Genus Symphysodon". International Journal of Evolutionary Biology. 2011: 360654. doi:10.4061/2011/360654. PMC 3147135. PMID 21811676.
- ^ Bleher, H.; Stölting, K.N.; Salzburger, W.; Meyer, A. (2007). "Revision of the genus Symphysodon Heckel, 1840 (Teleostei: Perciformes: Cichlidae) based on molecular and morphological characters". Aqua. 12: 133–174.
- ^ a b Froese, Rainer; Pauly, Daniel (eds.). "Symphysodon discus". FishBase. April 2013 version.
- ^ Hildemann, W. H. (1959). "A cichlid fish Symphysodon discus, with unique nurture habits". Am. Zool. 93: 27–34.
External links
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Media related to Symphysodon discus at Wikimedia Commons
