Pupfish are a group of small killifish belonging to ten genera of the family Cyprinodontidae of ray-finned fish. Pupfish are especially noted for being...

The Devils Hole pupfish (Cyprinodon diabolis) is a critically endangered species of the family Cyprinodontidae (pupfishes) found only in Devils Hole,...

The Death Valley pupfish (Cyprinodon salinus), also known as Salt Creek pupfish, is a small species of fish in the family Cyprinodontidae found only in...

The desert pupfish (Cyprinodon macularius) is a rare species of bony fish in the family Cyprinodontidae. It is a small fish, typically less than 7.62 cm...

Tecopa pupfish (Cyprinodon nevadensis calidae) is an extinct subspecies of the Amargosa pupfish (Cyprinodon nevadensis). The small, heat-tolerant pupfish was...

the only naturally occurring population of the endangered Devils Hole pupfish (Cyprinodon diabolis). The 40 acres (16 ha) unit is part of the Ash Meadows...

Potosi pupfish (Cyprinodon alvarezi) is a species of fish in the family Cyprinodontidae. It is endemic to Mexico, but is now extinct in the wild, only...

Cyprinodon nevadensis is a species of pupfish in the genus Cyprinodon. The species is also known as the Amargosa pupfish, but that name may also refer to one...

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...

The Catarina pupfish (Megupsilon aporus) was a diminutive species of fish in the family Cyprinodontidae, first described in 1972. It was endemic to a...

The bighead pupfish (Cyprinodon pachycephalus), known in Spanish as cachorrito cabezon, is a critically endangered species of pupfish in the family Cyprinodontidae...

The Owens pupfish (Cyprinodon radiosus) is a rare species of fish in the family Cyprinodontidae, the pupfish. It is endemic to California in the United...

Bolson pupfish (Cyprinodon atrorus) is a species of freshwater fish in the family Cyprinodontidae. It is endemic to northeastern Mexico, in the Río Salado...

The Pecos pupfish (Cyprinodon pecosensis) is a species of pupfish in the family Cyprinodontidae. It is endemic to the Pecos River watershed in eastern...

(Whitefin pupfish) Cyprinodon alvarezi R. R. Miller, 1976 (Potosi pupfish) †Cyprinodon arcuatus W. L. Minckley & R. R. Miller, 2002 (Santa Cruz pupfish) Cyprinodon...

The Nazas pupfish (Cyprinodon nazas), known in Spanish as cachorrito del aguanaval, is a species of pupfish in the family Cyprinodontidae. It is endemic...

The Carbonera pupfish (Cyprinodon fontinalis), also known as the Perrito de carbonera, is a small, endangered species of pupfish in the family Cyprinodontidae...

The Shoshone pupfish (Cyprinodon nevadensis shoshone) is a subspecies of Cyprinodon nevadensis from California in the United States. It is characterized...

Daggertooth pike conger Damselfish Danio Darter Dartfish Dealfish Death Valley pupfish Deep-sea eel Deep-sea smelt Deepwater cardinalfish Deepwater flathead Deepwater...

The Sonoyta pupfish or Quitobaquito pupfish (Cyprinodon eremus) is an endangered species of pupfish from Sonora in Mexico and Arizona in the United States...

The Amargosa River pupfish (Cyprinodon nevadensis amargosae) is a member of a pupfish species complex which inhabits the watershed of ancient Lake Manly...

The checkered pupfish (Cualac tessellatus) is a species of pupfish endemic to San Luis Potosí in Mexico where it is restricted to the Río Verde and associated...

Eustis and the nearby lakes is the sole home of a species of pupfish named the Lake Eustis pupfish (cyprinodon variegatus hubbsi). The Florida Fish and Wildlife...

Cyprinodon rubrofluviatilis, known as the Red River pupfish, is a species of pupfish from the United States. It is found only in the Red River of the South...

species belonging to that family have their own common names, such as the pupfish and the mummichog. Killifish are found mainly in fresh or brackish waters...

Cyprinodon arcuatus (Santa Cruz pupfish) is a species of fish in the family Cyprinodontidae. It was endemic to the Santa Cruz River in Arizona. It has...

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...

The Parras pupfish (Cyprinodon latifasciatus) is a small species of freshwater pupfish in the family Cyprinodontidae. It is endemic to the Laguna de Mayrán...

Blackfin pupfish (Cyprinodon beltrani) is a species of fish in the family Cyprinodontidae. This pupfish is endemic to Lake Chichancanab in Quintana Roo...

The largefin pupfish (Cyprinodon verecundus), also known as cachorrito de dorsal larga, is a small species of pupfish in the family Cyprinodontidae. It...