HomeFish encyclopediaRay-finned fishesCodsGrenadiers or rattailsCalifornia grenadier California grenadier (Nezumia stelgidolepis) Scientific name: Nezumia stelgidolepis Gilbert, 1890 The California grenadier (Nezumia stelgidolepis) is a marine fish of the family Macrouridae. Native range: Eastern Pacific, off Vancouver Island, Canada to southern Peru. BiologyDorsal spines (total): 2; Anal spines: 0. Snout short, narrow, bluntly pointed; terminal snout scute developed but not conspicuously; suborbital ridge low; underside of snout, most of the suborbital region, and anterior half of mandible without scales; cephalic pores of the lateralis system prominent. Pyloric caeca 24 to 58. Body scales densely covered with conical to narrowly lanceolate spinules in short, slightly convergent rows. Overall color is swarthy, blackish ventrally, with bluish tinge on abdominal region; oral and branchial cavities generally pale with some blackish areas; fins dusky to blackish, first dorsal fin slightly paler basally.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameNezumia stelgidolepisFamilyMacrouridae (Grenadiers or rattails)OrderGadiformes (Cods)ClassActinopterygii (Ray-finned fishes)Maximum length45.0Depth range277–909 m (909–2982 ft)EnvironmentMarine; bathydemersal; non-migratory; depth range 277 - 909 mClimateDeep-waterDistributionEastern Pacific: off Vancouver Island, Canada to southern Peru.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: minor commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 years (K=0.20) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026