HomeFish encyclopediaRay-finned fishesPerch-like fishCrocodile icefishesRed icefish Red icefish (Channichthys rugosus) Scientific name: Channichthys rugosus Regan, 1913 The Red icefish (Channichthys rugosus) is a marine fish of the family Channichthyidae. Native range: Southern Ocean, Kerguelen Islands. BiologyAnal spines: 0; Anal soft rays: 28 - 29; Vertebrae: 52Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameChannichthys rugosusFamilyChannichthyidae (Crocodile icefishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length3.0EnvironmentMarine; demersalClimatePolarDistributionSouthern Ocean: Kerguelen Islands.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (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