HomeFish encyclopediaRay-finned fishesSawbelliesSlimeheadsWestern Atlantic silver roughy Western Atlantic silver roughy (Hoplostethus mediterraneus sonodae) Scientific name: Hoplostethus mediterraneus sonodae Kotlyar, 1986 The Western Atlantic silver roughy (Hoplostethus mediterraneus sonodae) is a marine fish of the family Trachichthyidae. Native range: Northwest Atlantic. Species factsScientific nameHoplostethus mediterraneus sonodaeFamilyTrachichthyidae (Slimeheads)OrderBeryciformes (Sawbellies)ClassActinopterygii (Ray-finned fishes)EnvironmentMarine; benthopelagicClimateSubtropicalDistributionNorthwest Atlantic.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceLow, 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