HomeFish encyclopediaRay-finned fishesPerch-like fishSunfishesBantam sunfish Bantam sunfish (Lepomis symmetricus) Scientific name: Lepomis symmetricus Forbes, 1883 The Bantam sunfish (Lepomis symmetricus) is a freshwater fish of the family Centrarchidae. Native range: North America, USA. BiologyOccur in swamps and mud-bottomed and heavily vegetated ponds, lakes and sloughs. Young feed primarily on small crustaceans (ostracods, amphipods, etc.), midge larvae, and small dragonfly nymphs; adults' diet is similar but also contain snails, aquatic hemipterans and terrestrial insects.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameLepomis symmetricusFamilyCentrarchidae (Sunfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length9.0Common length5.0EnvironmentFreshwater; demersalClimateSubtropicalDistributionNorth America: USA.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (tmax=3) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026