HomeFreshwater aquarium fishGuppies & livebearersGoldbreast splitfin Goldbreast splitfin (Ilyodon furcidens) Scientific name: Ilyodon furcidens Jordan & Gilbert, 1882 The Goldbreast splitfin (Ilyodon furcidens) is a freshwater fish of the family Goodeidae. In the aquarium it needs water at 24–27°C (75–81°F). Native range: Central America, Ameca-Magdalena and Armeria-Coahuayana river basins. Goldbreast splitfin care at a glanceTemperature24–27°C (75–81°F) Species factsScientific nameIlyodon furcidensFamilyGoodeidae (Splitfins)OrderCyprinodontiformes (Live bearers, Killifishes and Rivulines)ClassActinopterygii (Ray-finned fishes)Maximum length7.0EnvironmentFreshwater; demersalClimateTropicalDistributionCentral America: Ameca-Magdalena and Armeria-Coahuayana river basins.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: commercial; aquarium: 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