分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Elasmobranchii
板鰓亞綱 (鯊魚與魟魚) (sharks and rays) >
Carcharhiniformes (Ground sharks) >
Pentanchidae (Deepwater catsharks)
Etymology: Apristurus: a-, Latin privative, i.e., without; pristis, from pristes (Gr.), sawyer (but here meaning saw); oura (Gr.), tail, referring to absence of saw-toothed crest of enlarged dermal denticles along upper edge of caudal fin as found in the closely related Pristiurus (=Galeus). (See ETYFish); profundorum: Latin for “out of the depths” (holotype captured at 1492 m). (See ETYFish).
More on authors: Goode & Bean.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 深海底的; 深度上下限 256 - 1830 m (Ref. 117245), usually 1100 - 1750 m (Ref. 55584). 深水域; 67°N - 6°N, 76°W - 2°E
Western Atlantic: from Davis Strait, Canada, south to off Delaware Bay, USA and off Suriname (Ref. 13608). Eastern Atlantic: Morocco and northwest Africa (Ref. 40643).
西大西洋: 外海的美國德拉瓦灣與外海的蘇利南.(參考文獻 13608) 東大西洋: 摩洛哥與非洲西北部.(參考文獻 40643)
大小 / 重量 / 年齡
Maturity: Lm ?  range ? - ? cm
Max length : 54.2 cm TL 雄魚/尚未辨別雌雄; (Ref. 13608)
Short snout, small eye, shorter gill openings. Uniform grayish brown below and above in alcohol (Ref. 6032).
短的吻又小的眼,較短的鰓裂。 均勻的淺灰褐色在與之下當保存在酒精中時的上方.(參考文獻 6032)
Inhabits the continental slope. Maximum length unknown, adolescent at 51 cm TL. Oviparous (Ref. 50449). Usually caught in deep exploratory trawls, and has no commercial interest (Ref. 117245).
棲息於大陸斜坡。 最大的長度未知, 在 51 公分TL 的青少年。 卵生的.(參考文獻 50449)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449).西大西洋: 外海的美國德拉瓦灣與外海的蘇利南.(參考文獻 13608) 東大西洋: 摩洛哥與非洲西北部.(參考文獻 40643)
Compagno, L.J.V., 1984. FAO Species Catalogue. Vol. 4. Sharks of the world. An annotated and illustrated catalogue of shark species known to date. Part 2 - Carcharhiniformes. FAO Fish. Synop. 125(4/2):251-655. Rome: FAO. (Ref. 244)
人類使用
漁業: 沒有興趣
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Estimates based on models
Preferred temperature (Ref.
123201): 3.6 - 3.9, mean 3.8 °C (based on 9 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00355 (0.00176 - 0.00714), b=3.09 (2.91 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 4.0 ±0.57 se; based on food items.
回復力 (Ref.
120179): 非常低的, 最小族群倍增時間超過14 年 (Fec assumed to be <10).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (42 of 100).