HomeFish encyclopediaRay-finned fishesPerch-like fishSea basses: groupers and fairy bassletsPygmy sea bass Pygmy sea bass (Serraniculus pumilio) Scientific name: Serraniculus pumilio Ginsburg, 1952 The Pygmy sea bass (Serraniculus pumilio) is a marine fish of the family Serranidae. Native range: Western Atlantic, South Carolina and northern Gulf of Mexico in USA to northern South America; absent from Bahamas and West Indies. BiologyOccurs mainly on seagrass beds. Found from shore to 45 m depth. Synchronously hermaphroditic.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameSerraniculus pumilioFamilySerranidae (Sea basses: groupers and fairy basslets)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length7.5Depth range10–45 m (33–148 ft)EnvironmentMarine; reef-associated; depth range 10 - 45 mClimateTropicalDistributionWestern Atlantic: South Carolina and northern Gulf of Mexico in USA to northern South America; absent from Bahamas and West Indies.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (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