HomeFreshwater aquarium fishRainbowfish & killifishWaccamaw killifish Waccamaw killifish (Fundulus waccamensis) Scientific name: Fundulus waccamensis Hubbs & Raney, 1946 The Waccamaw killifish (Fundulus waccamensis) is a freshwater fish of the family Fundulidae. BiologyOccur over sand in lakes, near and away from shoreline. Often found near vegetation. Swim a few inches below surface. Not a seasonal killifish. Easy to maintain in the aquarium.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameFundulus waccamensisFamilyFundulidae (Topminnows and killifishes)OrderCyprinodontiformes (Live bearers, Killifishes and Rivulines)ClassActinopterygii (Ray-finned fishes)Maximum length10.0Common length6.5EnvironmentFreshwater; benthopelagic; non-migratoryClimateTemperateDistributionNorth America: Lake Waccamaw in Columbus County in North Carolina, USA. Recently found in Phelps Lake in Washington County, North Carolina where probably introduced through its use as fishing bait.Conservation status (IUCN)Endangered (EN) (B1ab(iii))Threat to humansHarmlessUsesAquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (tm More rainbowfish & killifishFlagfishJordanella floridaeBluefin killifishLucania goodeiKamaka rainbowfishMelanotaenia kamakaYellowbelly gudgeonAllomogurnda nesolepisStriped panchaxAplocheilus lineatusRedtail nothoNothobranchius guentheriSee all rainbowfish & killifish SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026