The Charco Palma pupfish (''Cyprinodon veronicae'') is a species of small

fish Fish are aquatic, craniate, gill-bearing animals that lack limbs with digits. Included in this definition are the living hagfish, lampreys, and cartilaginous and bony fish as well as various extinct related groups. Approximately 95% of li ...

in the family Cyprinodontidae. It is

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 elsew ...

to the Ojo de Agua la Presa in southwestern Nuevo Leon state in

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 Guatema ...

. Although listed as critically endangered by the

IUCN The International Union for Conservation of Nature (IUCN; officially International Union for Conservation of Nature and Natural Resources) is an international organization working in the field of nature conservation and sustainable use of natu ...

in 1996, the species is now

extinct in the wild A species that is extinct in the wild (EW) is one that has been categorized by the International Union for Conservation of Nature as known only by living members kept in captivity or as a naturalized population outside its historic range due ...

(only survives in captivity). The same freshwater spring system was the home of three other pupfish: ''

Cyprinodon ceciliae ''Cyprinodon ceciliae'' (common names include Villa Lopez pupfish and violet pupfish) is an extinct species of pupfish. It was endemic to the Ojo de Agua la Presa in southwestern Nuevo Leon state in Mexico, but disappeared in 1990 due to habita ...

'' (extinct), ''

Cyprinodon inmemoriam The Cachorrito de la Trinidad, also known in English as the Charco Azul pupfish (''Cyprinodon inmemoriam''), was a small species of fish in the family Cyprinodontidae. It was endemic to Ojo de Agua la Presa in southwestern Nuevo Leon state in M ...

'' (extinct) and ''

Cyprinodon longidorsalis ''Cyprinodon longidorsalis'', the cachorrito de charco palmal or La Palma pupfish, is a species of fish in the family Cyprinodontidae. It was endemic to the Ojo de Agua la Presa in southwestern Nuevo Leon state in Mexico, but became extinct in t ...

'' (extinct in the wild, survives in captivity). Although these were from the same spring system, each was restricted to its own individual spring and associated waters. The exact spring and associated waters inhabited by the Charco Palma pupfish were also the home of three now-extinct invertebrates: An undescribed species of ''

Cambarellus ''Cambarellus'' is a genus of small freshwater crayfish in the family Cambaridae. The 19 species are found in Mexico (subgenus ''Cambarellus'') and the Gulf States of the United States (subgenus ''Pandicambarus''). Among the Mexican species, '' ...

'' crayfish, the valvatid freshwater snail ''Valvata beltrani'' and an undescribed species of valvatid freshwater snail. The

specific name Specific name may refer to: * in Database management systems, a system-assigned name that is unique within a particular database In taxonomy, either of these two meanings, each with its own set of rules: * Specific name (botany), the two-part (bino ...

honours the niece of María de Lourdes Lozano-Vilano and daughter of Salvador Contreras-Balderas, Verónica Contreras Arqueita, who assisted on the trip on which the

type Type may refer to: Science and technology Computing * Typing, producing text via a keyboard, typewriter, etc. * Data type, collection of values used for computations. * File type * TYPE (DOS command), a command to display contents of a file. * Ty ...

was collected.

References

Cyprinodon Pupfish, Charco Pupfish, Charco Pupfish, Charco Pupfish, Charco Critically endangered fauna of North America Taxa named by María de Lourdes Lozano-Vilano Taxa named by Salvador Contreras-Balderas Fish described in 1993 Taxonomy articles created by Polbot {{Cyprinodontiformes-stub