HomeFish encyclopediaRay-finned fishesPerch-like fishPerchesMissouri saddled darter Missouri saddled darter (Etheostoma tetrazonum) Scientific name: Etheostoma tetrazonum Hubbs & Black, 1940 The Missouri saddled darter (Etheostoma tetrazonum) is a freshwater fish of the family Percidae. In the aquarium it needs water at 10–24°C (50–75°F). Missouri saddled darter care at a glanceTemperature10–24°C (50–75°F) BiologyAdults inhabit fast gravel and rubble riffles of small to medium rivers. Oviparous, spawn in batches. Eggs are found buried in the substrate.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameEtheostoma tetrazonumFamilyPercidae (Perches)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length9.0Common length7.0EnvironmentFreshwater;; pH range: 6.5 - 7.5; dH range: 10 - 20 benthopelagicClimateTemperateDistributionNorth America: occurs only in Missouri Ozarks in the USA from Meramec River (Mississippi River tributary) to Osage and Moreau rivers (Missouri River tributaries).Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceMedium, minimum population doubling time 1.4 - 4.4 years (tmax=4; tm=1; Fec SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026