| Hydrolycus | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Characiformes |
| Family: | Cynodontidae |
| Genus: | Hydrolycus J. P. Müller & Troschel, 1844 |
Hydrolycus is a genus of dogtooth characins from tropical South America. There are currently four described species.