分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Elasmobranchii
板鳃亚纲 (鲨鱼与 鱼) (sharks and rays) >
Squaliformes (Sleeper and dogfish sharks) >
Centrophoridae (Gulper sharks)
Etymology: Deania: -ia (Gr.), belonging to: American ichthyologist Bashford Dean (1867-1928), American Museum of Natural History, for his research on selachian fishes. (See ETYFish); quadrispinosa: quadri-, from quattuor (L.), four; spinosa (L.), thorny, referring to four-spined dermal denticles. (See ETYFish).
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋 深海底的; 深度上下限 150 - 1360 m (Ref. 44037), usually 400 - 820 m (Ref. 6871). 深水域; 9°S - 54°S, 12°E - 172°W (Ref. 54349)
Southeast Atlantic: off Namibia and off Algoa Bay, South Africa. Indo-West Pacific: off southern Mozambique and Natal, South Africa; Australia and New Zealand (Ref. 6871).
東南大西洋: 那米比亞外海與外海的南非奧歌亞灣。 印度-西太平洋: 外海的莫三比克南部與南非的納塔爾; 澳洲與紐西蘭.(參考文獻 6871)
Length at first maturity / 大小 / 重量 / 年龄
Maturity: Lm ?, range 110 - ? cm
Max length : 115 cm TL 雄鱼/尚未辨别雌雄; (Ref. 6871)
背棘 (总数): 2; 背的软条 (总数): 0; 臀棘 0; 臀鳍软条: 0. Extremely long snout, grooved dorsal fin spines, compressed cutting teeth in both jaws, moderately large, pitchfork-shaped denticles, no subcaudal keel on underside of caudal peduncle, first dorsal fin short and high (Ref. 247). Dark brown, grey, or black in color; juveniles with a dark blotch on each dorsal fin (Ref. 26346).
非常长的吻，有凹槽的背鳍棘，双颚中扁又锐利的齿, 普通大的, 用乾草叉叉起-形状的细齿 , 没有子尾部的龙骨脊在尾柄的下面上, 第一背鳍短且高.(参考文献 247) 深褐色的，灰色的，或黑色的; 在每个背鳍上稚鱼有一个黑色斑块。 (参考文献 26346)
A rare (Ref. 26346) and little-known species found on outer continental shelves and upper slopes (Ref. 247). Feeds on bony fishes (Ref. 247). Ovoviviparous (Ref. 50449).
一个稀有的 (参考文献 26346) 与所知极少的种发现于大陆架外缘与上层斜坡了。 (参考文献 247) 吃硬骨鱼类。 (参考文献 247) 卵胎生的.(参考文献 50449)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Ovoviviparous, embryos feed solely on yolk (Ref. 50449). Distinct pairing with embrace (Ref. 205).東南大西洋: 那米比亞外海與外海的南非奧歌亞灣。 印度-西太平洋: 外海的莫三比克南部與南非的納塔爾; 澳洲與紐西蘭.(參考文獻 6871)
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 1 - Hexanchiformes to Lamniformes. FAO Fish. Synop. 125(4/1):1-249. Rome, FAO. (Ref. 247)
人类利用
渔业: 低经济
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Estimates based on models
Preferred temperature (Ref.
123201): 5.5 - 12.3, mean 8.2 °C (based on 236 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00263 (0.00121 - 0.00572), b=3.18 (2.99 - 3.37), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 4.5 ±0.80 se; based on food items.
回复力 (Ref.
120179): 低的, 最小族群倍增时间4.5 - 14 年 (Fec assumed to be <100).
Fishing Vulnerability (Ref.
59153): High to very high vulnerability (69 of 100).
