HomeFish encyclopediaRay-finned fishesPerch-like fishSandperchesPacific sandperch Pacific sandperch (Prolatilus jugularis) Scientific name: Prolatilus jugularis Valenciennes, 1833 The Pacific sandperch (Prolatilus jugularis) is a freshwater fish of the family Pinguipedidae. Native range: Southeast Pacific, Huacho, Peru to Chilo?, Chile. BiologyDorsal spines (total): 4; Dorsal soft rays (total): 27-29; Anal spines: 2; Anal soft rays: 19 - 22. Caudal fin subtruncate. Body brownish, with some obscure dark markings.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameProlatilus jugularisFamilyPinguipedidae (Sandperches)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length40.0EnvironmentMarine; freshwater; brackish; demersalClimateSubtropicalDistributionSoutheast Pacific: Huacho, Peru to Chilo?, Chile.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