HomeFish encyclopediaRay-finned fishesPerch-like fishPorgiesLittlehead porgy Littlehead porgy (Calamus proridens) Scientific name: Calamus proridens Jordan & Gilbert, 1884 The Littlehead porgy (Calamus proridens) is a marine fish of the family Sparidae. Native range: Western Atlantic, northeastern Florida, USA and northern Gulf of Mexico to Bay of Campeche. BiologyFound primarily on sponge and coral bottoms. Feeds mainly on invertebrates.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCalamus proridensFamilySparidae (Porgies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length46.0Common length37.0EnvironmentMarine; reef-associated; oceanodromousClimateSubtropicalDistributionWestern Atlantic: northeastern Florida, USA and northern Gulf of Mexico to Bay of Campeche.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: commercialResilienceMedium, 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