HomeFish encyclopediaRay-finned fishesPerch-like fishPerchesSpottail darter Spottail darter (Etheostoma squamiceps) Scientific name: Etheostoma squamiceps Jordan, 1877 The Spottail darter (Etheostoma squamiceps) is a freshwater fish of the family Percidae. BiologyInhabit rocky pools and adjacent riffles of headwaters, creeks and small rivers; also found in streams. Eggs are found clustered on underside of stone and guarded by males.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameEtheostoma squamicepsFamilyPercidae (Perches)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length8.8Common length4.6EnvironmentFreshwater; benthopelagicClimateSubtropicalDistributionNorth America: in lower Ohio River basin (Green River drainage in Kentucky and Tennessee to Cache River system in Illinois), including extreme lower Wabash River drainage in Indiana and Illinois, and Red River system (Cumberland River drainage) in Kentucky and Tennessee, USA.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (tmax=3; Fec=78-357) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026