HomeFish encyclopediaRay-finned fishesPerch-like fishCod icefishesAntarctic silverfish Antarctic silverfish (Pleuragramma antarctica) Scientific name: Pleuragramma antarctica Boulenger, 1902 The Antarctic silverfish (Pleuragramma antarctica) is a marine fish of the family Nototheniidae. In the aquarium it needs water at 2°C (36°F). Antarctic silverfish care at a glanceTemperature2°C (36°F) BiologyRegarded as the only truly pelagic fish in Antarctic waters. Larvae and postlarvae occur between 0 to 135 m; juveniles 50 to 400 and adults below 400 m. Postlarvae feed mainly on eggs and larvae of copepods; juveniles mainly on copepods, but take also eggs and larvae of euphausiids, polychaetes and chaetognaths. Larger items are ingested with increase in size.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePleuragramma antarcticaFamilyNototheniidae (Cod icefishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length25.0Common length15.0Depth range0–728 m (0–2388 ft)EnvironmentMarine; pelagic-oceanic; depth range 0 - 728 mClimatePolarDistributionSouthern Ocean: Antarctic Peninsula, South Shetland, Elephant, South Orkney islands, Weddell, Bellingshausen, Ross and Davis seas, Oates, Ad?lie, Wilhelm and other coasts of East Antarctica to Prydz Bay.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries: minor commercialResilienceLow, minimum population doubling time 4.5 - 14 years (K=0.14; tm=3-4; tmax=20; Fec=4,000) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026