HomeFish encyclopediaRay-finned fishesLive bearers, Killifishes and RivulinesSplitfinsCatarina allotoca Catarina allotoca (Allotoca catarinae) Scientific name: Allotoca catarinae de Buen, 1942 The Catarina allotoca (Allotoca catarinae) 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, Mexico. Catarina allotoca care at a glanceTemperature24–27°C (75–81°F) BiologyOccurs in heavily vegetated as well as in plant-free areas.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameAllotoca catarinaeFamilyGoodeidae (Splitfins)OrderCyprinodontiformes (Live bearers, Killifishes and Rivulines)ClassActinopterygii (Ray-finned fishes)Maximum length5.0EnvironmentFreshwater; demersalClimateTropicalDistributionCentral America: Mexico.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