HomeFish encyclopediaRay-finned fishesSawbelliesSlimeheadsEastern Pacific roughy Eastern Pacific roughy (Hoplostethus pacificus) Scientific name: Hoplostethus pacificus Garman, 1899 The Eastern Pacific roughy (Hoplostethus pacificus) is a marine fish of the family Trachichthyidae. Native range: Southeast Pacific, Ecuador and the Galapagos Islands to Peru. Species factsScientific nameHoplostethus pacificusFamilyTrachichthyidae (Slimeheads)OrderBeryciformes (Sawbellies)ClassActinopterygii (Ray-finned fishes)Depth range703 m (2306 ft)EnvironmentMarine; bathypelagic; depth range 703 - 703 mClimateDeep-waterDistributionSoutheast Pacific: Ecuador and the Galapagos Islands to Peru.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: of no interestResilienceLow, 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