Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) >
Perciformes (Perch-likes) >
Nototheniidae (Cod icefishes)
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).
Environment / Climate / Range
Ecology
Marine; benthopelagic; depth range 30 - 750 m (Ref. 51730). Polar; -1°C - 2°C (Ref. 51730), preferred -1°C (Ref. 107945); 45°S - 70°S
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).
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. 115185)
CITES (Ref. 94142)
Not Evaluated
Threat to humans
Harmless
Human uses
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