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) >
Somniosidae (Sleeper sharks)
Etymology: Centroselachus: centr[um] (L.), prickle or sharp point, referring to spines on both dorsal fins; selachos (Gr.), a cartilaginous fish (i.e., shark or ray) (See ETYFish); crepidater: crepida (L.), low shoe (e.g., slipper); ater (L.), black, transliteration of Portuguese vernacular sapata preta, black shoe, allusion not explained, possibly referring to superficial resemblance to a black velvet slipper [see also Deania calceus, Centrophoridae] (See ETYFish).
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 深海底的; 深度上下限 230 - 1500 m (Ref. 26346). 深水域; 64°N - 57°S, 77°W - 159°W
Eastern Atlantic: Iceland, Faeroe Islands along Atlantic slope to Portugal, Senegal, Madeira, Gabon to Democratic Republic of the Congo, Namibia (Ref. 247). Indian Ocean: Aldabra and the Travancore coast of India. Western Pacific: New South Wales, Australia and New Zealand. Southeast Pacific: northern Chile.
東大西洋: 冰島, 沿著大西洋斜坡到葡萄牙，塞內加爾，馬得拉群島，加彭到剛果，那米比亞的法羅群島。 印度洋: 亞達伯拉與印度的印度特拉凡哥爾海岸。 西太平洋: 澳洲新南威爾斯與紐西蘭。 東南太平洋: 智利北部。
Length at first maturity / 大小 / 重量 / 年齡
Maturity: Lm 75.4, range 82 - ? cm
Max length : 130 cm TL 雄魚/尚未辨別雌雄; (Ref. 6577); 最大年齡: 54 年 (Ref. 57506)
背棘 (總數) : 2; 臀棘: 0. Black or blackish brown in color, dorsal fins with very small fin spines, very long snout, greatly elongated labial furrows that nearly encircle mouth, lanceolate upper teeth and bladelike lower teeth with moderately long, oblique cusps, fairly slender body that does not taper abruptly from pectoral region, moderately large lateral trunk denticles with partly smooth, oval, cuspidate crowns in adults and subadults (Ref. 247).
黑色或暗褐色的顏色, 背鰭具有非常小的鰭棘 , 非常長的吻,非常延長了用中等長度又斜的尖頭幾乎環繞嘴, 矛尖形的上顎齒與刀葉狀的下顎齒的唇溝, 非常細長的身體哪一不會從胸的區域突然變細, 普通大的側面軀幹細齒用部分平滑﹐橢圓形的﹐和尖的冠當成魚與亞成魚時.(參考文獻 247)
A fairly common species found on continental and insular slopes (Ref. 6871), on or near the bottom (Ref. 5578). Feeds mainly on fish and cephalopods (Ref. 6871). Ovoviviparous (Ref. 205), with 4-8 young in a litter (Ref. 6871), born at 28-35 cm (Ref. 26346). The flesh is high in mercury; utilized as fishmeal and source of squalene (Ref. 6871).
一個非常普遍種發現於大陸斜坡與島嶼斜坡 (參考文獻 6871)了, 在底部上面或附近。 (參考文獻 5578) 主要吃魚與頭足類動物。 (參考文獻 6871) 卵胎生的 (參考文獻 205), 有四個 -8 幼魚在 28-35 公分出生的一胎 (參考文獻 6871).(參考文獻 26346) 肉是高水銀含量; 利用了製成魚粉與鯊烯的原料。 (參考文獻 6871)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Ovoviviparous, with 4-8 young in a litter (Ref. 6871). Born at 28-35 cm (Ref. 26346). Distinct pairing with embrace (Ref. 205).東大西洋: 冰島, 沿著大西洋斜坡到葡萄牙，塞內加爾，馬得拉群島，加彭到剛果，那米比亞的法羅群島。 印度洋: 亞達伯拉與印度的印度特拉凡哥爾海岸。 西太平洋: 澳洲新南威爾斯與紐西蘭。 東南太平洋: 智利北部。
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)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-2)
近危 (NT) (A2bd); Date assessed: 21 November 2019
人類使用
漁業: 低經濟
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Estimates based on models
Preferred temperature (Ref.
123201): 2.6 - 10.8, mean 7.8 °C (based on 659 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5313 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00302 (0.00240 - 0.00380), b=3.11 (3.04 - 3.18), in cm total length, based on LWR estimates for this species (Ref.
93245).
營養階層 (Ref.
69278): 4.2 ±0.4 se; based on diet studies.
回復力 (Ref.
120179): 非常低的, 最小族群倍增時間超過14 年 (Fec=4-8, tmax=54, tm=9-15).
Fishing Vulnerability (Ref.
59153): Very high vulnerability (78 of 100).
Climate Vulnerability (Ref.
125649): Moderate vulnerability (38 of 100).
Nutrients (Ref.
124155): Calcium = 5.64 [1.10, 30.50] mg/100g; Iron = 0.287 [0.069, 0.959] mg/100g; Protein = 20.1 [17.2, 22.3] %; Omega3 = 0.277 [0.101, 0.885] g/100g; Selenium = 18.1 [5.4, 54.3] μg/100g; VitaminA = 12.2 [2.5, 62.2] μg/100g; Zinc = 0.29 [0.14, 0.57] mg/100g (wet weight);
