Brachychalcinus

Brachychalcinus is a genus of freshwater ray-finned fishes belonging to the family Acestrorhamphidae. The fishes in this genus are found in tropical South America.

==Species== Brachychalcinus contains the following valid 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 Brachychalcinus sabaji Garcia-Ayala, Lima, Gama & Benine, 2024 Brachychalcinus signatus Garcia-Ayala & Benine, 2020