分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Perciformes/Notothenioidei (Icefishes) >
Nototheniidae (Cod icefishes) > Nototheniinae
Etymology: Lepidonotothen: Greek, lepis = scale + Greek, noton = back + Greek, adverbial particle, then, that denotes distance or remova (Ref. 45335); squamifrons: squamifrons from Latin squama scale, plus frons, frontis forehead for its full upper head cover of small scales (Ref. 11892).
More on author: Günther.
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋 底中水层性; 深度上下限 10 - 900 m (Ref. 11892), usually 195 - 312 m (Ref. 11892). 溫帶; 45°S - 79°S, 180°W - 180°E (Ref. 5179)
Southern Ocean: South Georgia Island and Bouvet Island. Also known from sub-Antarctic islands and Antarctic Indian and Pacific Oceans.
南極海: 南喬治亞島與布威島。 也已知來自印度洋地區的接近南極的島嶼與其間海洋山脊。
Length at first maturity / 大小 / 重量 / 年龄
Maturity: Lm 27.3, range 19 - 36 cm
Max length : 55.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 5179); common length : 35.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 2121); 最大年龄: 19 年 (Ref. 5789)
背棘 (总数): 4 - 5; 背的软条 (总数): 36-37; 臀鳍软条: 29 - 33. Body with 8 or 9 long dusky crossbars, cheek with two oblique dark stripes. First dorsal fin blackish (Ref. 11892).
身体有 8 或 9 长的暗色交叉的条纹,颊部有二斜角深色的斑纹。 第一背鳍黑色的.(参考文献 11892)
Feeds chiefly on macrozooplankton (mainly crustaceans, cnidarians and salps) and midwater fishes.
主要捕食大型浮游动物 (主要地甲壳动物，刺细胞动物与被囊动物) 与中层水域鱼。
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
南極海: 南喬治亞島與布威島。 也已知來自印度洋地區的接近南極的島嶼與其間海洋山脊。
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)
人类利用
渔业: 低经济
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Estimates based on models
Preferred temperature (Ref.
123201): 1.3 - 2.8, mean 1.7 °C (based on 21 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00468 (0.00393 - 0.00556), b=3.24 (3.19 - 3.29), in cm total length, based on LWR estimates for this species (Ref.
93245).
营养阶层 (Ref.
69278): 3.5 ±0.52 se; based on food items.
回复力 (Ref.
120179): 低的, 最小族群倍增时间4.5 - 14 年 (K=0.08-0.12; tm=7-9; tmax=19; Fec = >10,000).
Fishing Vulnerability (Ref.
59153): High to very high vulnerability (67 of 100).
Climate Vulnerability (Ref.
125649): High vulnerability (55 of 100).
Nutrients (Ref.
124155): Calcium = 18.9 [11.9, 33.9] mg/100g; Iron = 0.274 [0.173, 0.456] mg/100g; Protein = 15.9 [13.4, 18.6] %; Omega3 = 0.661 [0.365, 1.167] g/100g; Selenium = 22.1 [11.0, 43.5] μg/100g; VitaminA = 32.9 [10.7, 107.3] μg/100g; Zinc = 0.549 [0.402, 0.742] mg/100g (wet weight); based on
nutrient studies.
