HomeFish encyclopediaRay-finned fishesCodsGrenadiers or rattailsRoughlip grenadier Roughlip grenadier (Coryphaenoides thelestomus) Scientific name: Coryphaenoides thelestomus Maul, 1951 The Roughlip grenadier (Coryphaenoides thelestomus) is a marine fish of the family Macrouridae. Native range: Eastern Central Atlantic, Off Madeira and Canary Islands. Species factsScientific nameCoryphaenoides thelestomusFamilyMacrouridae (Grenadiers or rattails)OrderGadiformes (Cods)ClassActinopterygii (Ray-finned fishes)Maximum length65.0EnvironmentMarine; benthopelagicClimateSubtropicalDistributionEastern Central Atlantic: Off Madeira and Canary Islands.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