| Nematobrycon | |
|---|---|
| |
| Nematobrycon palmeri | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Characiformes |
| Family: | Characidae |
| Subfamily: | Gymnocharacinae |
| Genus: | Nematobrycon C. H. Eigenmann, 1911 |
Nematobrycon is a genus of characins endemic to the Atrato and San Juan River basins in western Colombia. The two described species in this genus are very popular aquarium fish.