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); coelolepis: coelo-, from koilos (Gr.), hollow; lepis (Gr.), scale, referring to its concave skin 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 128 - 3700 m (Ref. 55584), usually 400 - 2000 m (Ref. 35388). 深水域; 5°C - 13°C (Ref. 117245); 75°N - 61°S, 98°W - 147°W
Western Atlantic: Grand Banks to Delaware, USA; Cuba (Ref. 26340). Eastern Atlantic: Iceland south along Atlantic slope to the southwestern Cape coast of South Africa; also western Mediterranean. Western Pacific: off Japan, New Zealand, and Australia (Ref. 6871, 31367). Western Indian Ocean: Seychelles (Ref. 76802).
西大西洋: 大岸灘到美國德拉瓦州; 古巴.(參考文獻 26340) 東大西洋: 冰島向南延伸南非的大西洋斜坡到 Cape 西南方海岸; 也地中海西部。 西太平洋: 日本外，紐西蘭與澳洲.(參考文獻 6871) 也出現在中西太平洋中。 (參考文獻 31367)
Length at first maturity / 大小 / 重量 / 年龄
Maturity: Lm 101.8, range 95 - 110 cm
Max length : 121 cm TL 雄鱼/尚未辨别雌雄; (Ref. 122636); common length : 92.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 247); 最大体重: 10.1 kg (Ref. 122636)
背棘 (总数) : 2; 臀棘: 0. Dorsal fins with very small spines, very short snout, lanceolate upper teeth and bladelike lower teeth with short, oblique cusps, stocky body that does not taper abruptly from pectoral region, very large lateral trunk denticles with smooth, circular, acuspidate crowns in adults and subadults (Ref. 247). Uniformly golden brown to dark brown in color (Ref. 6871).
背鳍具有非常小的棘，非常短的吻, 矛尖形的上颚齿，而且刀叶状的下颚齿有短的, 斜的尖头, 矮胖的身体哪一不会从胸的区域突然变细, 非常大的侧面躯干细齿有平滑的, 圆形的, acuspidate 冠当成鱼与亚成鱼时.(参考文献 247) 均匀金褐色到深褐色的颜色.(参考文献 6871)
Found on continental slopes and abyssal plains (Ref. 6871). Feeds mainly on fish (including sharks) and cephalopods (Ref. 6871), also gastropods and cetacean meat (Ref. 5578). Ovoviviparous (Ref. 205), with 13 to 29 young per litter, born at 27-31 cm (Ref. 26346); 32-35 cm TL in North Atlantic (Ref. 98315). Utilized as fishmeal, dried and salted for human consumption, or as a source of squalene (Ref. 6871).
栖息于大陆斜坡与深海平原了。 (参考文献 6871) 主要吃鱼 (包括鲨鱼) 与头足类动物 (参考文献 6871), 也捕食腹足动物与鲸类的肉。 (参考文献 5578) 卵胎生的 (参考文献 205), 藉由 13 到 29个幼鱼每胎, 在 27-31 公分出生.(参考文献 26346) 用来作鱼粉，干燥而盐腌的供人类消费, 或作为一个鲨烯的原料。 (参考文献 6871)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Ovoviviparous (Ref. 6871), with 13 to 29 young per litter (Ref. 26346). Born at 27-31 cm (Ref. 26346). Distinct pairing with embrace (Ref. 205).西大西洋: 大岸灘到美國德拉瓦州; 古巴.(參考文獻 26340) 東大西洋: 冰島向南延伸南非的大西洋斜坡到 Cape 西南方海岸; 也地中海西部。 西太平洋: 日本外，紐西蘭與澳洲.(參考文獻 6871) 也出現在中西太平洋中。 (參考文獻 31367)
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)
世界自然保护联盟红皮书 (Ref. 130435: Version 2024-1)
临近濒危 (NT) (A2bd); Date assessed: 21 November 2019
人类利用
渔业: 低经济
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Estimates based on models
Preferred temperature (Ref.
123201): 0.8 - 10.3, mean 3.9 °C (based on 2755 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5313 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00380 (0.00289 - 0.00500), b=3.12 (3.04 - 3.20), in cm total length, based on LWR estimates for this species (Ref.
93245).
营养阶层 (Ref.
69278): 4.5 ±0.1 se; based on diet studies.
回复力 (Ref.
120179): 非常低的, 最小族群倍增时间超过14 年 (Fec=13-29).
Prior r = 0.03, 95% CL = 0.02 - 0.05, Based on 1 full stock assessment.
Fishing Vulnerability (Ref.
59153): High to very high vulnerability (73 of 100).
Climate Vulnerability (Ref.
125649): Moderate vulnerability (38 of 100).
Nutrients (Ref.
124155): Calcium = 4.91 [1.03, 28.49] mg/100g; Iron = 0.266 [0.063, 0.926] mg/100g; Protein = 20.1 [17.1, 22.2] %; Omega3 = 0.308 [0.110, 0.995] g/100g; Selenium = 20.9 [5.9, 65.6] μg/100g; VitaminA = 14.7 [2.8, 82.3] μg/100g; Zinc = 0.291 [0.136, 0.596] mg/100g (wet weight); based on
nutrient studies.
