HomeFish encyclopediaRay-finned fishesPerch-like fishButterfishesAmerican harvestfish American harvestfish (Peprilus paru) Scientific name: Peprilus paru Linnaeus, 1758 The American harvestfish (Peprilus paru) is a brackish-water fish of the family Stromateidae. Native range: Western Atlantic, northeastern USA to Rio de Janeiro, Brazil, sometimes reaching Argentina. BiologyDorsal spines (total): 2 - 5; Dorsal soft rays (total): 38-47; Anal spines: 2 - 3; Anal soft rays: 35 - 45. This species is distinguished by the following characters: body very deep (its depth 1.6 to 1.8 in total length), bounded by even curves and strongly compressed; snout short and blunt, about equal to eye diameter; mouth small, tip of maxillary just reaching to below eye margin; teeth in jaws weak, in 1 row, those in the upper jaw slightly recurved, simple and pointed; dorsal and anal fin bases very long (about equal in length), both fins falcate, the length of their longest rays greater than head and preceded by 3 weak spines; caudal fin stiff and deeply forked, both its lobes longer than head; pectoral fins narrow and much longer than head; pelvic fins absent; no conspicuous series of pores below dorsal fin; lateral line high, following dorsal profile; scales small and easily detached, extending to cheeks and bases of vertical fins; body color pale blue to grSource: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePeprilus paruFamilyStromateidae (Butterfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length30.0Common length18.0Depth range15–136 m (49–446 ft)EnvironmentMarine; brackish; benthopelagic; depth range 15 - 136 mClimateSubtropicalDistributionWestern Atlantic: northeastern USA to Rio de Janeiro, Brazil, sometimes reaching Argentina.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries: minor commercialResilienceHigh, 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