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) >
Somniosidae (Sleeper sharks)
Etymology: Centroscymnus: centr[um] (L.), prickle or sharp point, referring to spines on both dorsal fins; scymnus, an ancient name for some kind of shark, derived from a Greek word meaning young animal, cub or whelp. (See ETYFish); owstonii: In honor of Alan Owston (1853-1915), English businessman, yachtsman, and collector of Asian wildlife, who obtained holotype. (See ETYFish).
More on author: Garman.
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋 深海底的; 深度上下限 100 - 1500 m (Ref. 26346). 深水域; 33°N - 38°S, 52°W - 30°E
Atlantic, Pacific and Indian oceans. Western Indian Ocean: from off the Seychelles to the Madagascar Ridge and South Africa. Eastern Indian Ocean off Indonesia and southwestern Australia. Southwestern Pacific: off Australia, New Caledonia and New Zealand. Northwestern Pacific: off Japan and from the Hawaiian-Emperor seamount chain. Southeastern Pacific: west of Chile. Southwestern Atlantic: off French Guiana, Brazil, and Uruguay. Northwestern Atlantic: Gulf of Mexico. Eastern Atlantic: from off the Azores in the North to off South Africa in the south.
中西大西洋: 墨西哥灣北部。 西太平洋: 日本本州東南方; 澳洲 (包括西澳大利亞) 與紐西蘭。 東南太平洋: Amber 海底山脈，納斯卡與 Sala-y-Gomez。
Length at first maturity / 大小 / 重量 / 年龄
Maturity: Lm ?, range 100 - 104 cm
Max length : 148 cm TL 雄鱼/尚未辨别雌雄; (Ref. 122636); 最大体重: 21.3 kg (Ref. 122636)
臀棘 0; 臀鳍软条: 0. Dark brown or black in color, dorsal fins with extreme tips of fin spines protruding from the fins, moderately long snout, lanceolate upper teeth and bladelike lower teeth with short, oblique cusps, fairly stocky body that does not taper abruptly from pectoral region, large lateral trunk denticles with mostly smooth, circular, cuspidate and acuspidate crowns in adults and subadults (Ref. 247).
深褐色或黑色的, 背鳍具有从鳍, 中等长度的吻又矛尖形的上颚齿凸出的鳍棘的极端顶端与刀叶状的下颚齿有短的, 斜的尖头, 非常矮胖的身体哪一不会从胸的区域突然变细, 大的侧面躯干细齿具有大部份平滑，圆形的，和尖的与 acuspidate 冠当成鱼与亚成鱼时.(参考文献 247)
Found on upper continental slopes, on or near the bottom (Ref. 247). Feeds on fish and cephalopods (Ref. 6871). Ovoviviparous (Ref. 205), with 16- 28 young born at 27-30 cm (Ref. 26346). Caught in trawls or longlines set at depths greater than 400 m (Ref. 55584). Flesh is high in mercury (Ref. 6871). Utilized as fishmeal and source of squalene (liver oil) (Ref. 6871). Maximum depth from Ref. 55584.
栖息于大陆坡上层了, 在底部上面或附近。 (参考文献 247) 捕食鱼类与头足类动物.(参考文献 6871) 卵胎生的 (参考文献 205), 具有 16- 在 27-30 公分被出生的 28个幼鱼.(参考文献 26346) 肉是高水银含量。 (参考文献 6871) 用来作鱼粉与鲨烯的原料 (肝油)了。 (参考文献 6871) 最大的深度从参考文献 55584.
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Ovoviviparous (Ref. 6871). 16- 28 young born at 27-30 cm (Ref. 26346). Distinct pairing with embrace (Ref. 205).中西大西洋: 墨西哥灣北部。 西太平洋: 日本本州東南方; 澳洲 (包括西澳大利亞) 與紐西蘭。 東南太平洋: Amber 海底山脈，納斯卡與 Sala-y-Gomez。
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): 4.9 - 10.9, mean 6.4 °C (based on 66 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5313 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00324 (0.00198 - 0.00529), b=3.15 (3.01 - 3.29), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
营养阶层 (Ref.
69278): 4.5 ±0.62 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=16-28).
Fishing Vulnerability (Ref.
59153): Very high vulnerability (89 of 100).
Climate Vulnerability (Ref.
125649): Moderate vulnerability (38 of 100).
