n = 9
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Brachychalcinus copei | (Steindachner, 1882) | Brachychalcinus copei | Characidae | |
| Brachychalcinus copei retrospina | Boulenger, 1892 | Brachychalcinus retrospina | Characidae | |
| Brachychalcinus guianensis | Boeseman, 1952 | Brachychalcinus orbicularis | Characidae | Discus tetra |
| Brachychalcinus nummus | Böhlke, 1958 | Brachychalcinus nummus | Characidae | |
| Brachychalcinus orbicularis | (Valenciennes, 1850) | Brachychalcinus orbicularis | Characidae | Discus tetra |
| Brachychalcinus parnaibae | Reis, 1989 | Brachychalcinus parnaibae | Characidae | |
| Brachychalcinus reisi | Garcia-Ayala, Ohara, Pastana & Benine, 2017 | Brachychalcinus reisi | Characidae | |
| Brachychalcinus retrospina | Boulenger, 1892 | Brachychalcinus retrospina | Characidae | |
| Brachychalcinus signatus | Garcia-Ayala & Benine, 2020 | Genus Species | New species |