HomeFish encyclopediaRay-finned fishesPerch-like fishPerchesSwamp darter Swamp darter (Etheostoma fusiforme) Scientific name: Etheostoma fusiforme Girard, 1854 The Swamp darter (Etheostoma fusiforme) is a freshwater fish of the family Percidae. In the aquarium it needs water at 14–26°C (57–79°F). Swamp darter care at a glanceTemperature14–26°C (57–79°F) BiologyOccur in standing or slow-flowing water over mud, sometimes sand; often in vegetation. Eggs are found attached to the substrate unguarded.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameEtheostoma fusiformeFamilyPercidae (Perches)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length5.9Common length4.0EnvironmentFreshwater; benthopelagicClimateTemperateDistributionNorth America: Seaboard Lowlands, Atlantic and Gulf coastal plains from southern Maine to Louisiana (Sabine River) and southeastern Oklahoma (Red River) in the USA; and Former Mississippi Embayment north to Kentucky and southeastern Missouri in the USA.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (tmax=1) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026