Cynodon is a genus of dogtooth characins from tropical South America, including the Amazon and Orinoco basins, and rivers in the Guianas.

[1][2][3] These predatory fish reach up to 32.2 cm (1.06 ft) in standard length.

[1][2] They are mainly piscivorous, but will also take insects.

[3][4] There are currently three described species in this genus:[1][2]

This Characiformes-related article is a stub.