HomeFish encyclopediaRay-finned fishesCodsGrenadiers or rattailsGlobosehead rattail Globosehead rattail (Cetonurus crassiceps) Scientific name: Cetonurus crassiceps G?nther, 1878 The Globosehead rattail (Cetonurus crassiceps) is a marine fish of the family Macrouridae. Native range: Pacific and Atlantic. Nazca and Sala y Gomez ridges. Species factsScientific nameCetonurus crassicepsFamilyMacrouridae (Grenadiers or rattails)OrderGadiformes (Cods)ClassActinopterygii (Ray-finned fishes)Maximum length44.0Depth range290–1490 m (951–4888 ft)EnvironmentMarine; benthopelagic; depth range 290 - 1490 mClimateDeep-waterDistributionPacific and Atlantic. Nazca and Sala y Gomez ridges.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceMedium, 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