The bold characodon (Characodon audax) is a species of fish in the family Goodeidae that is endemic to Mexico.

[2] Its habitat is springfed ponds and small creeks with still or slow flowing water.

It can reach lengths of 48 millimetres (1.9 in).

[3] There has been controversy regarding the taxonomic classification of this and other Characodon species; see Rainbow goodeid.

This Cyprinodontiformes article is a stub.