分类 / Names
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Teleostei >
Alepocephaliformes (Slickheads and tubeshoulders.) >
Alepocephalidae (Slickheads)
Etymology: Alepocephalus: Greek, alepos, alepidotos = without scales + Greek, kephale = head (Ref. 45335).
More on author: Risso.
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋 深海底的; 深度上下限 300 - 2250 m (Ref. 28822). 深水域; 64°N - 17°S, 22°W - 22°E (Ref. 57317)
Eastern Atlantic: northeast Atlantic and western Mediterranean to Cape Verde (Ref. 4736); Morocco to Cameroon, then from Angola to Namibia (Ref. 4460).
東大西洋: 到維德角的東北大西洋與地中海西部;(參考文獻 4736) 摩洛哥到喀麥隆, 然後從安哥拉到那米比亞.(參考文獻 4460)
Length at first maturity / 大小 / 重量 / 年龄
Maturity: Lm 27.7 range ? - ? cm
Max length : 50.0 cm SL 雄鱼/尚未辨别雌雄; (Ref. 4460); 最大年龄: 23 年 (Ref. 32893)
背棘 (总数): 16 - 20; 臀棘 17-20
Found over soft bottoms (Ref. 4736). Feeds on pelagic crustaceans like euphausiids, decapods and mysids (Ref. 27637).
发现在软质底部上了。 (参考文献 4736) 吃大洋性的像磷虾，十足类动物与糠虾的甲壳动物。 (参考文献 27637)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
東大西洋: 到維德角的東北大西洋與地中海西部;(參考文獻 4736) 摩洛哥到喀麥隆, 然後從安哥拉到那米比亞.(參考文獻 4460)
Markle, D.F., 1981. Family Alepocephalidae. In W. Fischer, G. Bianchi and W.B. Scott (eds.) FAO species identification sheets for fishery purposes. Eastern Central Atlantic; fishing areas 34, 47 (in part). Department of Fisheries and Oceans Canada and FAO. vols. 1-7. pag. var. (Ref. 2719)
人类利用
渔业: 没有兴趣
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Estimates based on models
Preferred temperature (Ref.
123201): 4.5 - 13.5, mean 8.5 °C (based on 237 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00316 (0.00191 - 0.00524), b=3.17 (3.02 - 3.32), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
营养阶层 (Ref.
69278): 3.7 ±0.2 se; based on diet studies.
Generation time: 13.7 ( na - na) years. Estimated as median ln(3)/K based on 2
growth studies.
回复力 (Ref.
120179): 非常低的, 最小族群倍增时间超过14 年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): High vulnerability (60 of 100).
Climate Vulnerability (Ref.
125649): Low vulnerability (12 of 100).
Nutrients (Ref.
124155): Calcium = 20.6 [11.0, 59.7] mg/100g; Iron = 0.387 [0.145, 1.009] mg/100g; Protein = 11.5 [9.6, 14.7] %; Omega3 = 0.41 [0.16, 1.12] g/100g; Selenium = 26.1 [10.0, 66.7] μg/100g; VitaminA = 12.7 [2.6, 62.0] μg/100g; Zinc = 0.436 [0.272, 0.726] mg/100g (wet weight);
![Image of Alepocephalus rostratus (Risso\](/images/thumbnails/jpg/tn_Alros_u0.jpg "Image of Alepocephalus rostratus (Risso\")