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) >
Channichthyidae (Crocodile icefishes)
冰魚科 (Crocodile icefishes)
Etymology: Champsocephalus: Greek, champso = crocodile, voracious predator + Greek, kephale = head (Ref. 45335).
More on author: Lönnberg.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 底中水層性; 深度上下限 0 - 700 m (Ref. 11892), usually 30 - 250 m (Ref. 11892). 極; 48°S - 66°S, 65°W - 77°E
Southern Ocean: Islands of the Scotia Sea, including the northern part of Antarctic Peninsula; Kerguelen, Heard and Bouvet islands.
南極海: Scotia 海洋的島, 包括南極半島的北部; 被聽到的 Kerguelen 與布威島; 在大西洋南方部, 在南喬治亞州的附近。 也在奧克尼群島南方部與雪特蘭群島南部的附近。
Length at first maturity / 大小 / 重量 / 年齡
Maturity: Lm 26.2, range 21 - 32 cm
Max length : 66.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 5200); common length : 35.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 2805); 最大體重: 2.0 kg (Ref. 4883)
脊椎骨: 59 - 62
Feed mainly on krill and mysids. Spawn in autumn and winter (Ref. 50743). Synchronous spawner (Ref. 50743). Larval pelagic phase is long (Ref. 71843). Utilized as a food fish (Ref. 4931).
主要捕食磷蝦與糠蝦。 產卵於秋天與冬天中。 (參考文獻 50743) 同步的產卵魚.(參考文獻 50743) 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
南極海: Scotia 海洋的島, 包括南極半島的北部; 被聽到的 Kerguelen 與布威島; 在大西洋南方部, 在南喬治亞州的附近。 也在奧克尼群島南方部與雪特蘭群島南部的附近。
Hureau, J.-C., 1985. Channichthyidae. p. 261-277. In W. Fischer and J.C. Hureau (eds.) FAO species identification sheets for fishery purposes. Southern Ocean (Fishing areas 48, 58 and 88). Rome. Vol. 2. (Ref. 2805)
人類使用
漁業: 低經濟
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Estimates based on models
Preferred temperature (Ref.
123201): -1.1 - 2.9, mean 1.5 °C (based on 50 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00117 (0.00100 - 0.00138), b=3.47 (3.42 - 3.52), in cm total length, based on LWR estimates for this species (Ref.
93245).
營養階層 (Ref.
69278): 3.2 ±0.2 se; based on diet studies.
回復力 (Ref.
120179): 中等的, 族群倍增時間最少 1.4 - 4.4年 (K=0.13-0.39; tmax=13; tm=4; Fec=3,094).
Prior r = 0.39, 95% CL = 0.24 - 0.64, Based on 2 stock assessments.
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (35 of 100).
Climate Vulnerability (Ref.
125649): High to very high vulnerability (68 of 100).
Nutrients (Ref.
124155): Calcium = 20.5 [11.1, 44.8] mg/100g; Iron = 0.388 [0.165, 0.801] mg/100g; Protein = 16.9 [14.8, 18.9] %; Omega3 = 0.222 [0.107, 0.473] g/100g; Selenium = 25.9 [9.2, 64.1] μg/100g; VitaminA = 13.8 [2.8, 70.5] μg/100g; Zinc = 0.409 [0.265, 0.626] mg/100g (wet weight); based on
nutrient studies.
