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Symphysodon aequifasciatus  Pellegrin, 1904

Blue discus
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Image of Symphysodon aequifasciatus (Blue discus)
Symphysodon aequifasciatus
Picture by Salvagiani, P.

Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Cichlidae (Cichlids) > Cichlasomatinae
Etymology: Symphysodon: Greek, syn, symphysis = grown together + Greek, odous = teeth (Ref. 45335).

Environment / Climate / Range Ecology

Freshwater; benthopelagic; pH range: 5.0 - 8.0; dH range: ? - 12.   Tropical; 26°C - 30°C (Ref. 30491); 1°S - 3°S

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 13.7 cm SL male/unsexed; (Ref. 36377)

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

South America: eastern Amazon River, lower reaches of Amazon River and affluents east of the confluence of the Negro and Solimões Rivers.

Biology     Glossary (e.g. epibenthic)

In deep, rocky areas in crevices and among roots. Normally in schools, but territorial during breeding season. Feeds on insect larvae, insects, and planktonic invertebrates. Aquarium keeping: in groups of 5 or more individuals; keep pairs in small tanks for breeding; minimum aquarium size 120 cm (Ref. 51539).

Main reference Upload your references | References | Coordinator : Kullander, Sven O. | Collaborators

Kullander, S.O., 1996. Eine weitere Übersicht der Diskusfische, Gattung Symphysodon Heckel. D. Aqu. U. Terr. Z., Sonderheft "Diskus". (Ref. 33249)

IUCN Red List Status (Ref. 90363)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: subsistence fisheries; aquarium: commercial
FAO(Publication : search) | FisheriesWiki | Sea Around Us

More information

Common names
Synonyms
Metabolism
Predators
Ecotoxicology
Reproduction
Maturity
Spawning
Fecundity
Eggs
Egg development
Age/Size
Growth
Length-weight
Length-length
Length-frequencies
Morphometrics
Morphology
Larvae
Larval dynamics
Recruitment
Abundance
References
Aquaculture
Aquaculture profile
Strains
Genetics
Allele frequencies
Heritability
Diseases
Processing
Mass conversion
Collaborators
Pictures
Stamps, Coins
Sounds
Ciguatera
Speed
Swim. type
Gill area
Otoliths
Brains
Vision

Tools

Special reports

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Internet sources

Alien/Invasive Species database | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | iSpecies | Public aquariums | PubMed | Scirus | SeaLifeBase | Tree of Life | uBio | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoological Record

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.6250   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02089 (0.00799 - 0.05464), b=3.01 (2.79 - 3.23), based on LWR estimates for this Subfamily-body shape (Ref. 93245).
Trophic Level (Ref. 69278):  3.3   ±0.44 se; Based on food items.
Resilience (Ref. 69278):  .
Vulnerability (Ref. 59153):  Low vulnerability (19 of 100) .
Price category (Ref. 80766):   Unknown.