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Perciformes/Notothenioidei (Icefishes) >
Nototheniidae (Cod icefishes) > Nototheniinae
Etymology: Nototheniops: Greek, noton = filament + Greek, adverbial particle, then, that denotes distance or removal + Greek, opsis = appearance (Ref. 45335); larseni: Named for Captain C.A. Larsen, chief navigator of the Swedish Antarctic Expedition (Ref. 11892).
Eponymy: Carl Anton Larsen (1860–1924) was a Norwegian Antarctic explorer. [...] (Ref. 128868), visit book page.
More on author: Lönnberg.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; benthopelagic; depth range 30 - 750 m (Ref. 51730). Polar; 51°S - 70°S, 92°W - 166°E
Southern Ocean: Balleny Islands, Peter I Island, Palmer Archipelago, Graham Land, South Shetlands, South Orkneys, South Sandwich, South Georgia, Shag Rocks, Bouvet, and sub-Antarctic islands and seamounts of the Indian Ocean Sector (except Kerguelen, Heard, McDonald and Macquarie islands and Kara Dag seamount).
Length at first maturity / Size / Weight / Age
Maturity: Lm 22.5 range ? - ? cm
Max length : 24.0 cm TL male/unsexed; (Ref. 5179)
Dorsal spines (total): 5 - 6; Dorsal soft rays (total): 37 - 39; Anal soft rays: 37 - 38. Irregular oblique dark cross-bars on body. Distal part of spinous dorsal with black blotch, soft dorsal with oblique dark stripes. Anal plain or similarly marked. Breast to middle depth of pectoral fins a notable silvery-white (Ref. 11892).
Body shape (shape guide): fusiform / normal.
Feeds mainly on krill, hyperiid amphipods and mysids. Spawning occurs in autumn and winter (Ref. 51730).
Dewitt, H.H., P.C. Heemstra and O. Gon, 1990. Nototheniidae. p. 279-331. In O. Gon and P.C. Heemstra (eds.) Fishes of the Southern Ocean. J.L.B. Smith Institute of Ichthyology, Grahamstown, South Africa. (Ref. 5179)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
Human uses
Fisheries: commercial
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