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Perciformes/Notothenioidei (Icefishes) >
Nototheniidae (Cod icefishes) > Nototheniinae
Etymology: Notothenia: Greek, 'notos', ou; νοτος, ου), from the south + Greek, 'e 'eutheneia',as or 'euthenia', as (ευθενεια, ας; ευθενια, ας), abundance (P. Romero, pers.comm. 01/16); rossii: marmorata Greek marmor for marbled (Ref. 11892).
More on author: Richardson.
Environment: milieu / climate zone / depth range / distribution range
Οικολογία
Θαλασσινό(ά) βενθικό(ς); ωκεανόδρομο(ς) (Ref. 51243); εύρος βάθους 5 - 350 m (Ref. 28106), usually 5 - 350 m (Ref. 28106). Polar; -1°C - 5°C (Ref. 28106); 45°S - 67°S, 75°W - 165°E
Southern Ocean: northern end of the Antarctic Peninsula, Scotia Arc, Prince Edward, Crozet, Kerguelen, Heard and Macquarie islands, and Ob' and Lena banks.
Length at first maturity / Μέγεθος / Βάρος / Age
Maturity: Lm 49.3  range ? - ? cm
Max length : 92.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 5179); common length : 50.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 2121); μεγ. δημοσιευμένο βάρος: 10.0 kg (Ref. 5179); μεγ. αναφερόμενη ηλικία: 16 έτη (Ref. 28106)
Ραχιαίες άκανθες (συνολικά): 4 - 7; Μαλακές ραχιαίες ακτίνες (συνολικά): 32-36; Μαλακές εδρικές ακτίνες: 26 - 30
The sexually immature members of the population stay in lesser depths, mainly in the shallow fjord bays. Yearlings feed mainly on mesozooplankton in the near surface zone (5-15 m). Immature and mature fish are benthic but stay in shallower depths (10-20 m). Sexually mature fish move out of the fjord to stay in the shelf zone. Spawn once a year (Ref. 89316). Maximum life span for males is 12 years (Ref. 28106).
Mature females may spawn for the first time from around 6-8 years of age (Ref. 71843).
Hureau, J.-C., 1985. Family Notothenidae - Antarctic rock cods. p. 323-385. In W. Fischer and J.C. Hureau (eds.) FAO species identification sheets for fishery purposes. Southern Ocean (Fishing areas 48, 58 and 88) (CCAMLR Convention Area). Rome, FAO. Vol. 2. (Ref. 2121)
IUCN Red List Status (Ref. 130435)
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