HomeFish encyclopediaRay-finned fishesPerch-like fishPorgiesSheepshead porgy Sheepshead porgy (Calamus penna) Scientific name: Calamus penna Valenciennes, 1830 The Sheepshead porgy (Calamus penna) is a marine fish of the family Sparidae. Native range: Western Atlantic, Florida, USA and the northeastern Gulf of Mexico to Rio de Janeiro, Brazil; throughout the West Indies. BiologyDorsal spines (total): 12; Dorsal soft rays (total): 12; Anal spines: 3; Anal soft rays: 10. Silvery, the scales with iridescent reflections; usually a faint longitudinal banding on a body; a blue-gray line under eye present or absent; no other blue markings; no orange or yellow at corner of mouth; small black spot at upper base of pectoral fins.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCalamus pennaFamilySparidae (Porgies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length46.0Common length28.0Depth range3–87 m (10–285 ft)EnvironmentMarine; reef-associated; depth range 3 - 87 mClimateTropicalDistributionWestern Atlantic: Florida, USA and the northeastern Gulf of Mexico to Rio de Janeiro, Brazil; throughout the West Indies.Conservation status (IUCN)Not EvaluatedThreat to humansReports of ciguatera poisoningUsesFisheries: minor 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