HomeFish encyclopediaRay-finned fishesPerch-like fishPerchesFantail darter Fantail darter (Etheostoma flabellare) Scientific name: Etheostoma flabellare Rafinesque, 1819 The Fantail darter (Etheostoma flabellare) is a freshwater fish of the family Percidae. In the aquarium it needs water at 4–18°C (39–64°F). Fantail darter care at a glanceTemperature4–18°C (39–64°F) BiologyInhabit rocky riffles of creeks and small to medium rivers; also found in small to medium upland streams. Adults feed on midge, blackfly, and caddisfly larvae, mayfly nymphs, isopods, and amphipods. Eggs are found clustered on underside of stone and guarded by males.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameEtheostoma flabellareFamilyPercidae (Perches)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length8.4Common length5.2EnvironmentFreshwater; benthopelagicClimateTemperateDistributionNorth America: Atlantic, Great Lakes, and Mississippi River basins from southern Quebec in Canada to Minnesota, and south to South Carolina (in Santee River system) in northern Alabama, and northeastern Oklahoma in the USA.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceMedium, minimum population doubling time 1.4 - 4.4 years (K=0.81; tmax=4; Fec=10-121) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026