HomeFish encyclopediaRay-finned fishesPerch-like fishSunfishesMud sunfish Mud sunfish (Acantharchus pomotis) Scientific name: Acantharchus pomotis Baird, 1855 The Mud sunfish (Acantharchus pomotis) is a freshwater fish of the family Centrarchidae. In the aquarium it needs water at 10–22°C (50–72°F). Mud sunfish care at a glanceTemperature10–22°C (50–72°F) BiologyUsually occurs over mud and detritus in vegetated sloughs, lakes, and pools and backwaters of creeks and small to medium rivers.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameAcantharchus pomotisFamilyCentrarchidae (Sunfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length21.0Common length14.1EnvironmentFreshwater;; pH range: 6.8 - 7.8; dH range: 10 - 25 demersalClimateSubtropicalDistributionNorth America: widely distributed in Atlantic Coastal Plain and lower Piedmont drainages from Hudson River in New York to St. Johns River in Florida, USA and in Gulf Coastal Plain drainages of northern Florida and southern Georgia, USA from Suwannee River to St. Marks River.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