HomeFish encyclopediaRay-finned fishesPerch-like fishCod icefishesBigeye notothen Bigeye notothen (Trematomus tokarevi) Scientific name: Trematomus tokarevi Andriashev, 1978 The Bigeye notothen (Trematomus tokarevi) is a marine fish of the family Nototheniidae. Native range: Southern Ocean, Oates Land and Shackleton Ice Shelf in East Antarctic, and near the South Orkney and South Shetland islands. Species factsScientific nameTrematomus tokareviFamilyNototheniidae (Cod icefishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length22.4Depth range295–700 m (968–2297 ft)EnvironmentMarine; bathydemersal; depth range 295 - 700 mClimateDeep-waterDistributionSouthern Ocean: Oates Land and Shackleton Ice Shelf in East Antarctic, and near the South Orkney and South Shetland islands.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