''Brachychalcinus orbicularis'', or the discus tetra, is an

omnivorous An omnivore () is an animal that regularly consumes significant quantities of both plant and animal matter. Obtaining energy and nutrients from plant and animal matter, omnivores digest carbohydrates, protein, fat, and fiber, and metabolize ...

characin found in rivers, creeks, and tributaries in tropical

South America South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a considerably smaller portion in the Northern Hemisphere. It can also be described as the southern Subregion#Americas, subregion o ...

References

https://www.iucnredlist.org/species/175960637/175960674 Stethaprionini Taxa named by Achille Valenciennes Fish described in 1850 {{Characidae-stub