| Brachychalcinus | |
|---|---|
 | |
| Brachychalcinus orbicularis | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Characiformes |
| Family: | Acestrorhamphidae |
| Subfamily: | Stethaprioninae |
| Genus: | Brachychalcinus Boulenger, 1892 |
Brachychalcinus is a genus of characins found in tropical South America, with five currently described species:
- Brachychalcinus copei (Steindachner, 1882)
- Brachychalcinus nummus J. E. Böhlke, 1958
- Brachychalcinus orbicularis (Valenciennes, 1850) (discus tetra)
- Brachychalcinus parnaibae R. E. dos Reis, 1989
- Brachychalcinus reisi Garcia-Ayala, Ohara, Pastana & Benine, 2017
- Brachychalcinus retrospina Boulenger, 1892
