HomeFreshwater aquarium fishGuppies & livebearersJeweled splitfin Jeweled splitfin (Xenotoca variata) Scientific name: Xenotoca variata Bean, 1887 The Jeweled splitfin (Xenotoca variata) is a freshwater fish of the family Goodeidae. In the aquarium it needs water at 20–27°C (68–81°F). Native range: Central America, central highlands of Mexico. Jeweled splitfin care at a glanceTemperature20–27°C (68–81°F) Species factsScientific nameXenotoca variataFamilyGoodeidae (Splitfins)OrderCyprinodontiformes (Live bearers, Killifishes and Rivulines)ClassActinopterygii (Ray-finned fishes)Maximum length6.0EnvironmentFreshwater;; pH range: 6.5 - 7.6; dH range: 5 - 25 demersalClimateTropicalDistributionCentral America: central highlands of Mexico.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesAquarium: commercial More guppies & livebearersRedtail splitfinXenotoca eiseniBlackbarred limiaLimia nigrofasciataMosquitofishGambusia affinisSailfin mollyPoecilia latipinnaGuppyPoecilia reticulataGreen swordtailXiphophorus helleriiSee all guppies & livebearers SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026