Conchos pupfish (Cyprinodon eximius)

Scientific name: Cyprinodon eximius Girard, 1859

The Conchos pupfish (Cyprinodon eximius) is a freshwater fish of the family Cyprinodontidae. In the aquarium it needs water at 15–25°C (59–77°F).

Conchos pupfish care at a glance

Temperature: 15–25°C (59–77°F)

Biology

Occurs in sloughs, backwaters, and margins of small to medium rivers (avoiding hot springs). 5 cm max TL. Not a seasonal killifish. Is difficult to maintain in aquarium.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name: Cyprinodon eximius
Family: Cyprinodontidae (Pupfishes)
Order: Cyprinodontiformes (Live bearers, Killifishes and Rivulines)
Class: Actinopterygii (Ray-finned fishes)
Maximum length: 5.0
Environment: Freshwater; benthopelagic; non-migratory
Climate: Temperate
Distribution: North America: Rio Grande drainage in Texas in the USA, from Devils River to mouth of Rio Conchos. Also in Rio Conchos system and endorheic Rio Sauz basin in Mexico.
Conservation status (IUCN): Not Evaluated
Threat to humans: Harmless
Uses: Aquarium: commercial
Resilience: High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)