HomeFish encyclopediaRay-finned fishesPerch-like fishPorgiesPacific porgy Pacific porgy (Calamus brachysomus) Scientific name: Calamus brachysomus Lockington, 1880 The Pacific porgy (Calamus brachysomus) is a marine fish of the family Sparidae. Native range: Eastern Pacific, southern California, USA to Peru; rare north of Baja California, Mexico. BiologyInhabits sandy areas to about 69 m depth but usually from 3-18 m. The young occur in very shallow water on reef flats and in sandy bays over mixed sand and rock bottoms. Probably feeds on benthic invertebrates. Only caught incidentally with trawls.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCalamus brachysomusFamilySparidae (Porgies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length61.0Depth range3–80 m (10–262 ft)EnvironmentMarine; reef-associated; depth range 3 - 80 m, usually 3 - 18 mClimateSubtropicalDistributionEastern Pacific: southern California, USA to Peru; rare north of Baja California, Mexico.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: commercialResilienceLow, minimum population doubling time 4.5 - 14 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