HomeFish encyclopediaRay-finned fishesSawbelliesSlimeheadsSlimy head Slimy head (Hoplostethus mento) Scientific name: Hoplostethus mento Garman, 1899 The Slimy head (Hoplostethus mento) is a marine fish of the family Trachichthyidae. Native range: Eastern Pacific, Bay of Panama to Valparaiso, Chile. BiologyMax. length (Johnny Labbe, pers. comm., 2000).Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameHoplostethus mentoFamilyTrachichthyidae (Slimeheads)OrderBeryciformes (Sawbellies)ClassActinopterygii (Ray-finned fishes)Maximum length12.0EnvironmentMarine; bathypelagicClimateDeep-waterDistributionEastern Pacific: Bay of Panama to Valparaiso, Chile.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: of no interestResilienceMedium, 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