HomeFreshwater aquarium fishRainbowfish & killifishCarbonera pupfish Carbonera pupfish (Cyprinodon fontinalis) Scientific name: Cyprinodon fontinalis Smith & Miller, 1980 The Carbonera pupfish (Cyprinodon fontinalis) is a freshwater fish of the family Cyprinodontidae. In the aquarium it needs water at 24–28°C (75–82°F). Native range: Central America, Mexico. Carbonera pupfish care at a glanceTemperature24–28°C (75–82°F) BiologyNot a seasonal killifish. Is very difficult to maintain in aquarium.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCyprinodon fontinalisFamilyCyprinodontidae (Pupfishes)OrderCyprinodontiformes (Live bearers, Killifishes and Rivulines)ClassActinopterygii (Ray-finned fishes)Maximum length6.0EnvironmentFreshwater; benthopelagic; non-migratoryClimateTropicalDistributionCentral America: Mexico.Conservation status (IUCN)Endangered (EN) (A1ae+2e, B1+2ab, C2a)Threat to humansHarmlessUsesAquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Assuming tm More rainbowfish & killifishMarmorated medakaOryzias marmoratusCelebes rainbowTelmatherina celebensisCelebes rainbowfishMarosatherina ladigesiLyretail panchaxAphyosemion australeTwostripe lyretailAphyosemion bivittatumRed-Tailed SilversideBedotia geayiSee all rainbowfish & killifish SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026