HomeFish encyclopediaRay-finned fishesFlatfishesSouthern floundersAntarctic armless flounder Antarctic armless flounder (Mancopsetta maculata) Scientific name: Mancopsetta maculata G?nther, 1880 The Antarctic armless flounder (Mancopsetta maculata) is a marine fish of the family Achiropsettidae. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 112-129; Anal spines: 0; Anal soft rays: 91 - 104. Pelvic fin on ocular side (with 7 soft rays) extremely larger than on blind side (with 5 soft rays). Caudal fin rounded.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameMancopsetta maculataFamilyAchiropsettidae (Southern flounders)OrderPleuronectiformes (Flatfishes)ClassActinopterygii (Ray-finned fishes)Maximum length50.0Depth range100–1115 m (328–3658 ft)EnvironmentMarine; demersal; depth range 100 - 1115 mClimateTemperateDistributionSouthern Ocean, South Atlantic, and South Indian Ocean. Argentine shelf/slope from 37?S to the Falklands and Burdwood Bank. Also Kotlyar; Crozet Islands and Prince Edward Island. Recorded from Chile.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceMedium, minimum population doubling time 1.4 - 4.4 years (tm=2-3) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026