HomeFish encyclopediaRay-finned fishesLive bearers, Killifishes and RivulinesSplitfinsLimones splitfin Limones splitfin (Ilyodon xantusi) Scientific name: Ilyodon xantusi Hubbs & Turner, 1939 The Limones splitfin (Ilyodon xantusi) is a freshwater fish of the family Goodeidae. Native range: Central America, endemic to the Armeria-Coahuayana river basin. Species factsScientific nameIlyodon xantusiFamilyGoodeidae (Splitfins)OrderCyprinodontiformes (Live bearers, Killifishes and Rivulines)ClassActinopterygii (Ray-finned fishes)EnvironmentFreshwater;; pH range: 6.0 - 8.0; dH range: 9 - 19 demersalClimateTropicalDistributionCentral America: endemic to the Armeria-Coahuayana river basin.Conservation status (IUCN)Not EvaluatedThreat to humansHarmless SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026