HomeFish encyclopediaRay-finned fishesPerch-like fishSunfishesOzark bass Ozark bass (Ambloplites constellatus) Scientific name: Ambloplites constellatus Cashner & Suttkus, 1977 The Ozark bass (Ambloplites constellatus) is a freshwater fish of the family Centrarchidae. BiologyInhabits clear rocky pools and creeks and small to medium rivers, usually near stream bank, large boulders or brush.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameAmbloplites constellatusFamilyCentrarchidae (Sunfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length27.9Common length13.3EnvironmentFreshwater; demersalClimateTemperateDistributionNorth America: occurs only in White River drainage in Missouri and Arkansas, USA. Transplanted in other streams in Missouri and Arkansas, but no evidence of establishment.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceMedium, minimum population doubling time 1.4 - 4.4 years (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