分類 / Names
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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
生態学
海 底生の; 海洋回遊性 (Ref. 51243); 深さの範囲 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 / サイズ / 重さ / 年齢
Maturity: Lm 49.3 range ? - ? cm
Max length : 92.0 cm TL オス/雌雄の選別がない; (Ref. 5179); common length : 50.0 cm TL オス/雌雄の選別がない; (Ref. 2121); 最大公表体重: 10.0 kg (Ref. 5179); 最大記録サイズ: 16 年 (Ref. 28106)
背面の脊椎 (合計): 4 - 7; 背鰭 (合計): 32-36; 臀鰭: 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).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
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)
Human uses
水産業: 商業
より多くの情報
参考文献水産養殖水産養殖の紹介緊張遺伝子のElectrophoreses遺伝病気行列NutrientsMass conversion
用具
特記事項
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インターネットの情報源
Estimates based on models
Preferred temperature (Ref.
123201): 0.7 - 4.7, mean 2.1 °C (based on 140 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00589 (0.00480 - 0.00723), b=3.19 (3.13 - 3.25), in cm total length, based on LWR estimates for this species (Ref.
93245).
栄養段階 (Ref.
69278): 3.6 ±0.56 se; based on food items.
Generation time: 8.5 (6.1 - 9.8) years. Estimated as median ln(3)/K based on 17
growth studies.
回復力 (Ref.
120179): 低い, ４．５年～１４年の倍増期間の最小個体群 (K=0.10-0.16; tmax=16; Fec=19,000).
Fishing Vulnerability (Ref.
59153): High vulnerability (63 of 100).
Climate Vulnerability (Ref.
125649): Moderate to high vulnerability (54 of 100).
Nutrients (Ref.
124155): Calcium = 16.7 [10.3, 37.7] mg/100g; Iron = 0.427 [0.187, 0.808] mg/100g; Protein = 18.2 [15.8, 20.4] %; Omega3 = 0.316 [0.187, 0.528] g/100g; Selenium = 18.1 [8.2, 38.9] μg/100g; VitaminA = 12.2 [2.9, 56.1] μg/100g; Zinc = 0.35 [0.24, 0.52] mg/100g (wet weight);
