HomeFish encyclopediaRay-finned fishesPerch-like fishSunfishesSuwannee bass Suwannee bass (Micropterus notius) Scientific name: Micropterus notius Bailey & Hubbs, 1949 The Suwannee bass (Micropterus notius) is a freshwater fish of the family Centrarchidae. Native range: North America, occurs only in Suwannee River drainage in Florida and Ochlockonee River drainage in Florida and Georgia in the USA. BiologyInhabits rocky riffles, runs and pools, and large springs and spring runs.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameMicropterus notiusFamilyCentrarchidae (Sunfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length40.0Common length21.3EnvironmentFreshwater; demersalClimateSubtropicalDistributionNorth America: occurs only in Suwannee River drainage in Florida and Ochlockonee River drainage in Florida and Georgia in the USA.Conservation status (IUCN)Lower Risk: near threatened (LR/nt)Threat to humansHarmlessUsesGamefish: yesResilienceMedium, 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