HomeFish encyclopediaRay-finned fishesLive bearers, Killifishes and RivulinesSplitfinsHighland splitfin Highland splitfin (Hubbsina turneri) Scientific name: Hubbsina turneri de Buen, 1940 The Highland splitfin (Hubbsina turneri) is a freshwater fish of the family Goodeidae. In the aquarium it needs water at 23–26°C (73–79°F). Native range: North America, endemic to the Lerma River basin, Mexico. Highland splitfin care at a glanceTemperature23–26°C (73–79°F) Species factsScientific nameHubbsina turneriFamilyGoodeidae (Splitfins)OrderCyprinodontiformes (Live bearers, Killifishes and Rivulines)ClassActinopterygii (Ray-finned fishes)Maximum length5.0EnvironmentFreshwater;; pH range: 7.0 - 7.5; dH range: ? - 15 benthopelagicClimateTropicalDistributionNorth America: endemic to the Lerma River basin, Mexico.Conservation status (IUCN)Critically Endangered (CR) (A1ac+2c, B1+2e, C2b)Threat 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