HomeFish encyclopediaRay-finned fishesLive bearers, Killifishes and RivulinesTopminnows and killifishesWhiteline topminnow Whiteline topminnow (Fundulus albolineatus) Scientific name: Fundulus albolineatus Gilbert, 1891 The Whiteline topminnow (Fundulus albolineatus) is a freshwater fish of the family Fundulidae. Native range: North America, Big Spring, Madison County in Alabama, USA. Species factsScientific nameFundulus albolineatusFamilyFundulidae (Topminnows and killifishes)OrderCyprinodontiformes (Live bearers, Killifishes and Rivulines)ClassActinopterygii (Ray-finned fishes)Maximum length9.0EnvironmentFreshwater; benthopelagic; non-migratoryClimateSubtropicalDistributionNorth America: Big Spring, Madison County in Alabama, USA.Conservation status (IUCN)Extinct (EX)Threat to humansHarmlessResilienceHigh, 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