HomeFish encyclopediaRay-finned fishesPerch-like fishPorgiesBlackspot porgy Blackspot porgy (Archosargus pourtalesii) Scientific name: Archosargus pourtalesii Steindachner, 1881 The Blackspot porgy (Archosargus pourtalesii) is a marine fish of the family Sparidae. Native range: Eastern Pacific, endemic to the Galapagos Islands. This species is related only to western Atlantic forms. Species factsScientific nameArchosargus pourtalesiiFamilySparidae (Porgies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length35.6Depth range3–30 m (10–98 ft)EnvironmentMarine; benthopelagic; depth range 3 - 30 mClimateTropicalDistributionEastern Pacific: endemic to the Galapagos Islands. This species is related only to western Atlantic forms.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceMedium, 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