HomeFish encyclopediaRay-finned fishesCodsGrenadiers or rattailsFirebelly grenadier Firebelly grenadier (Coelorinchus ventrilux) Scientific name: Coelorinchus ventrilux Marshall & Iwamoto, 1973 The Firebelly grenadier (Coelorinchus ventrilux) is a marine fish of the family Macrouridae. Native range: Western Central Atlantic, West Indies. BiologyDorsal spines (total): 2; Anal spines: 0. Eyes large; snout long and sharply pointed, its anterolateral margin incompletely supported by bone. Head ridges strong but with short, generally conical spinules; the terminal snout scute longer than wide and with blunt lateral arms; the underside of the snout naked medially. Light organ large, visible externally as a large blackish streak extending from the anus to a long black fossa on the rear half of the chest. Scales covered with fine spinules in parallel to slightly divergent rows. Color is pale light grayish-brown to tawny, blackish or densely punctate on belly and chest; the mouth cavity blackish.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCoelorinchus ventriluxFamilyMacrouridae (Grenadiers or rattails)OrderGadiformes (Cods)ClassActinopterygii (Ray-finned fishes)Maximum length30.0Depth range300–500 m (984–1640 ft)EnvironmentMarine; bathydemersal; non-migratory; depth range 300 - 500 mClimateDeep-waterDistributionWestern Central Atlantic: West Indies.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