''Xenotaenia resolanae'', the leopard splitfin, is a species of

splitfin 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 genera. The family is named after ichthyologist George Brown Goode ...

endemic Endemism is the state of a species being found 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 found els ...

to west–central

Mexico Mexico ( Spanish: México), officially the United Mexican States, is a country in the southern portion of North America. It is bordered to the north by the United States; to the south and west by the Pacific Ocean; to the southeast by Guate ...

where it is found in the Purificación and

Marabasco River The Chacala River (Cihuatlán River, Marabasco River) is a river of Mexico. It originates in the Sierra de Manantlán, and flows southwestwards to empty into the Pacific Ocean, forming the border between the states of Jalisco to the northwest and ...

basins in

Jalisco Jalisco (, , ; Nahuatl: Xalixco), officially the Free and Sovereign State of Jalisco ( es, Estado Libre y Soberano de Jalisco ; Nahuatl: Tlahtohcayotl Xalixco), is one of the 31 states which, along with Mexico City, comprise the 32 Federal ...

and

Colima Colima (), officially the Free and Sovereign State of Colima ( es, Estado Libre y Soberano de Colima), is one of the 31 states that make up the 32 Federal Entities of Mexico. It shares its name with its capital and main city, Colima. Colima i ...

. This species grows to a length of TL. It is found in the aquarium trade and is the only known species in its

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial n ...

References

* Goodeinae Freshwater fish of Mexico Endemic fish of Mexico {{Cyprinodontiformes-stub