HomeFish encyclopediaRay-finned fishesLive bearers, Killifishes and RivulinesTopminnows and killifishesNorthern plains killifish Northern plains killifish (Fundulus kansae) Scientific name: Fundulus kansae Garman, 1895 The Northern plains killifish (Fundulus kansae) is a freshwater fish of the family Fundulidae. In the aquarium it needs water at 20–25°C (68–77°F). Northern plains killifish care at a glanceTemperature20–25°C (68–77°F) BiologyFound in shallow waters. Omnivorous. Spawning occurs in small pools over sand and gravel bottom in water 6-10 cm depth.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameFundulus kansaeFamilyFundulidae (Topminnows and killifishes)OrderCyprinodontiformes (Live bearers, Killifishes and Rivulines)ClassActinopterygii (Ray-finned fishes)Maximum length10.0EnvironmentFreshwater; benthopelagic; non-migratory; depth range 0 - ? mClimateTemperateDistributionNorth America: U.S.A., in drainages to the north of the Red River of Texas and the Texas-Oklahoma border. Distinct from F. zebrinus based on molecular data and which occurs in the Red River and drainages farther south.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: of no interestResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026