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) >
Squaliformes (Sleeper and dogfish sharks)
角鯊目 (Sleeper and dogfish sharks) >
Centrophoridae (Gulper sharks)
刺鯊科 (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
生態學
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 / 年齡
Maturity: Lm ?, range 110 - ? cm
Max length : 115 cm TL 雄魚/尚未辨別雌雄; (Ref. 6871)
背棘 (總數) : 2; 臀棘: 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).
非常長的吻，有凹槽的背鰭棘，雙顎中扁又銳利的齒, 普通大的, 用乾草叉叉起-形狀的細齒 , 沒有子尾部的龍骨脊在尾柄的下面上, 第一背鰭短且高.(參考文獻 247) 深褐色的﹐灰色的﹐或黑色的; 在每個背鰭上稚魚有一個黑色斑塊。 (參考文獻 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).
一個稀有的 (參考文獻 26346) 與所知極少的種發現於大陸棚外緣與上層斜坡了。 (參考文獻 247) 吃硬骨魚類。 (參考文獻 247) 卵胎生的.(參考文獻 50449)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
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)
人類使用
漁業: 低經濟
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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).
營養階層 (Ref.
69278): 4.5 ±0.80 se; based on food items.
回復力 (Ref.
120179): 低的, 最小族群倍增時間4.5 - 14 年 (Fec assumed to be <100).
Fishing Vulnerability (Ref.
59153): High to very high vulnerability (69 of 100).
