The bold characodon (''Characodon audax'') is a species of

fish A fish (: fish or fishes) is an aquatic animal, aquatic, Anamniotes, anamniotic, gill-bearing vertebrate animal with swimming fish fin, fins and craniate, a hard skull, but lacking limb (anatomy), limbs with digit (anatomy), digits. Fish can ...

in the family

Goodeidae Goodeidae is a family of teleost fish endemic to Mexico and some areas of the United States. Many species are known as splitfins. This family contains about 50 species within 18 Genus, genera. The family is named after ichthyologist George Brow ...

that is

endemic Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...

Mexico Mexico, officially the United Mexican States, is a country in North America. It is the northernmost country in Latin America, and borders the United States to the north, and Guatemala and Belize to the southeast; while having maritime boundar ...

. Its habitat is springfed ponds and small creeks with still or slow flowing water. It can reach lengths of . There has been controversy regarding the taxonomic classification of this and other ''Characodon'' species; see

Rainbow goodeid The rainbow goodeid (''Characodon lateralis'') is a species of critically endangered freshwater fish in the family Goodeidae, and are endemic to Mexico. Specifically, they are found in shallow springs and ponds in the Durango and Coahuila area. T ...

References

Characodon Freshwater fish of Mexico Endemic fish of Mexico Fish described in 1986 Taxonomy articles created by Polbot {{Cyprinodontiformes-stub