HomeFish encyclopediaRay-finned fishesCodsGrenadiers or rattailsMarini's grenadier Marini's grenadier (Coelorinchus marinii) Scientific name: Coelorinchus marinii Hubbs, 1934 The Marini's grenadier (Coelorinchus marinii) is a marine fish of the family Macrouridae. Native range: Southwest Atlantic, southern Brazil to South Georgia. BiologyDorsal spines (total): 0; Anal spines: 0. The head large; the eyes also large; snout tipped with a scute of moderate size, not especially set off by its size or spines from the adjacent scales. Head ridges moderately supported by coarse scales. Most body scales with small fine, reclined spinules arranged in an irregular quincunx to sub parallel pattern. Overall color is medium brown to swarthy, darker on the abdomen and chest; the underside of the head with small melanophores; the fins are dusky, their inner bases black.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCoelorinchus mariniiFamilyMacrouridae (Grenadiers or rattails)OrderGadiformes (Cods)ClassActinopterygii (Ray-finned fishes)Maximum length38.0Depth range200–600 m (656–1969 ft)EnvironmentMarine; benthopelagic; non-migratory; depth range 200 - 600 mClimateDeep-waterDistributionSouthwest Atlantic: southern Brazil to South Georgia.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