Brachychalcinus orbicularis  (Valenciennes, 1850)

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

Actinopterygii (ray-finned fishes) > Characiformes (Characins) > Characidae (Characins) > Stethaprioninae
Etymology: Brachychalcinus: Greek, brachys, eia = short + Greek, chalkos = brass (Ref. 45335).

Environment / Climate / Range Ecology

Freshwater; benthopelagic; pH range: 5.5 - 7.5; dH range: ? - 25.   Tropical; 18°C - 24°C (Ref. 1672)

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 9.0 cm SL male/unsexed; (Ref. 36891)

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

South America: Coastal drainages of Suriname and Guyana.

Biology     Glossary (e.g. epibenthic)

Feeds on worms, insects, crustaceans and plant matter (Ref. 7020).

Main reference Upload your references | References | Coordinator | Collaborators

Reis, R.E., 2003. Subfamily Stethaprioninae (Silver dollar tetras). p. 209-211. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil.

IUCN Red List Status (Ref. 90363)

  Not Evaluated 

Threat to humans

  Harmless




Human uses

Aquarium: commercial
FAO(Publication : search) | FisheriesWiki | Sea Around Us

More information

Countries
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Summary page | Point data | Common names | Photos

Internet sources

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 | PubMed | Scirus | SeaLifeBase | Tree of Life | uBio | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoological Record

Estimates of some properties based on empirical models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5312   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00888 (-0.21703 - 0.23479), b=3.24 (3.12 - 3.36), based on LWR estimates for this family-BS (Ref. 93245).
Trophic Level (Ref. 69278):  3.0   ±0.32 se; Based on food items.
Resilience (Ref. 69278):  Medium, minimum population doubling time 1.4 - 4.4 years (Fec=1,000-2,000).
Vulnerability (Ref. 59153):  Low vulnerability (10 of 100) .
Price category (Ref. 80766):   Unknown.