HomeFish encyclopediaRay-finned fishesGrinnersBarracudinasSouthern barracudina Southern barracudina (Magnisudis prionosa) Scientific name: Magnisudis prionosa Rofen, 1963 The Southern barracudina (Magnisudis prionosa) is a marine fish of the family Paralepididae. Native range: Probably circumglobal in the Southern Ocean from about 20?S to Antarctica. Specimens south of the Antarctic Convergence probably expatriated. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 9-11; Anal spines: 0; Anal soft rays: 22 - 25. Body pale with brownish dorsal band.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameMagnisudis prionosaFamilyParalepididae (Barracudinas)OrderAulopiformes (Grinners)ClassActinopterygii (Ray-finned fishes)Maximum length55.0Depth range1000 m (3281 ft)EnvironmentMarine; bathypelagic; depth range ? - 1000 mClimateDeep-waterDistributionProbably circumglobal in the Southern Ocean from about 20?S to Antarctica. Specimens south of the Antarctic Convergence probably expatriated.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