HomeFish encyclopediaRay-finned fishesCodsGrenadiers or rattailsMiller's grenadier Miller's grenadier (Nezumia milleri) Scientific name: Nezumia milleri Iwamoto, 1973 The Miller's grenadier (Nezumia milleri) is a marine fish of the family Macrouridae. Native range: Southeast Atlantic, Angola to Namibia. BiologyDorsal spines (total): 2; Dorsal soft rays (total): 184-185; Anal spines: 0. Snout short, acute, ventral surface in front of premaxillary symphysis naked, otherwise head surfaces completely scale-covered. Spinules on scales moderately slender, lanceolate. Overall color is grayish brown; trunk dark, violet tinged, grading to medium brown posteriorly; fins pale to blackish; first dorsal fin black on distal half; mouth blackish, gill cavity mostly black.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameNezumia milleriFamilyMacrouridae (Grenadiers or rattails)OrderGadiformes (Cods)ClassActinopterygii (Ray-finned fishes)Maximum length38.0Depth range320–620 m (1050–2034 ft)EnvironmentMarine; bathydemersal; non-migratory; depth range 320 - 620 mClimateDeep-waterDistributionSoutheast Atlantic: Angola to Namibia.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