分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Perciformes/Notothenioidei (Icefishes)
鱸形目 (Icefishes) >
Nototheniidae (Cod icefishes)
南極魚科 (Cod icefishes) > Pleuragrammatinae
Etymology: Dissostichus: Greek, disso = twice, one or other + Greek, stix, stichos =line, row (Ref. 45335); eleginoides: eleginoides deriving from the genus Eleginops for an assumed resemblance to that genus (Ref. 11892).
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋; 海洋洄游的 (Ref. 51243); 深度上下限 0 - 2144 m (Ref. 127764), usually 70 - 1500 m (Ref. 2121). 溫帶; 33°S - 66°S, 77°W - 180°E (Ref. 54228)
Southeast Pacific and Southwest Atlantic: southern Chile round the coast to Patagonia (Argentina) and the Falkland Islands. Southwest Pacific: Macquarie Island. Southern Ocean: South Georgia. Also known from sub-Antarctic islands and seamounts of the Indian sector.
東南太平洋與西南大西洋: 智利南部圓的岸邊到巴塔哥尼亞 (阿根廷) 與福克蘭群島。 西南太平洋: Macquarie 島。 南極海: 南喬治亞州。 也已知來自印度地區的接近南極的島嶼與海洋山脊。
Length at first maturity / 大小 / 重量 / 年齡
Maturity: Lm 49.0, range 38 - 60 cm
Max length : 215 cm TL 雄魚/尚未辨別雌雄; (Ref. 2121); common length : 70.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 2121); 最大體重: 9.6 kg (Ref. 58336); 最大年齡: 31 年 (Ref. 87879)
背棘 (總數) : 8 - 10; 背的軟條 (總數) : 28 - 30; 臀棘: 0; 臀鰭軟條: 28 - 30; 脊椎骨: 53 - 54. Lateral line scales 88-104 (upper), 61-77 (lower).
側線鱗片 88-104(上面的),61-77.(低的)
At 12-15 cm TL, semi-pelagic juveniles become demersal at 150-400 m depth (Ref. 55957). Adults migrate to deeper habitats at depths greater than 1,000 m (Ref. 55957). Utilized as food fish (Ref. 4931).
作為食用魚.(參考文獻 4931)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
May spawn for the first time from around 8-10 years of age (Ref. 71843).東南太平洋與西南大西洋: 智利南部圓的岸邊到巴塔哥尼亞 (阿根廷) 與福克蘭群島。 西南太平洋: Macquarie 島。 南極海: 南喬治亞州。 也已知來自印度地區的接近南極的島嶼與海洋山脊。
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 瀕危狀態 (Ref. 130435: Version 2024-1)
人類使用
漁業: 商業性
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Estimates based on models
Preferred temperature (Ref.
123201): 1.8 - 8.8, mean 4.5 °C (based on 1109 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00631 (0.00361 - 0.01104), b=3.15 (2.99 - 3.31), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
營養階層 (Ref.
69278): 4.5 ±0.8 se; based on diet studies.
回復力 (Ref.
120179): 低的, 最小族群倍增時間4.5 - 14 年 (Fec=230,000; tmax>=21).
Prior r = 0.33, 95% CL = 0.21 - 0.49, Based on 1 full stock assessment.
Fishing Vulnerability (Ref.
59153): Very high vulnerability (81 of 100).
Climate Vulnerability (Ref.
125649): Moderate to high vulnerability (47 of 100).
Nutrients (Ref.
124155): Calcium = 11.6 [6.5, 19.8] mg/100g; Iron = 0.335 [0.184, 0.568] mg/100g; Protein = 17.6 [15.9, 19.6] %; Omega3 = 0.744 [0.429, 1.253] g/100g; Selenium = 31.2 [16.4, 58.5] μg/100g; VitaminA = 9.39 [3.17, 28.34] μg/100g; Zinc = 0.313 [0.219, 0.453] mg/100g (wet weight); based on
nutrient studies.
