HomeFish encyclopediaRay-finned fishesGrinnersBarracudinasFierce pike smelt Fierce pike smelt (Sudis atrox) Scientific name: Sudis atrox Rofen, 1963 The Fierce pike smelt (Sudis atrox) is a marine fish of the family Paralepididae. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 10-12; Anal spines: 0; Anal soft rays: 21 - 22; Vertebrae: 52 - 55. Branchiostegal rays: 8.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameSudis atroxFamilyParalepididae (Barracudinas)OrderAulopiformes (Grinners)ClassActinopterygii (Ray-finned fishes)Maximum length12.5Common length7.5Depth range30–2250 m (98–7382 ft)EnvironmentMarine; bathypelagic; depth range 30 - 2250 mClimateDeep-waterDistributionEastern Atlantic: one locality near the equator at 25?W. Eastern Pacific: at least 32?N to Chile, including the Hawaiian Islands. Also known from Western Atlantic, from USA to Brazil.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: of no interestResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Assuming tmax>3) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026