分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Holocephali
全頭亞綱 (銀鮫科) (chimaeras) >
Chimaeriformes (Chimaeras)
銀鮫目 (Chimaeras) >
Rhinochimaeridae (Longnose chimaeras)
長鼻銀鮫科 (Longnose chimaeras)
Etymology: Rhinochimaera: A chimaera with rhinos (Gr.), nose, referring to long, pointed proboscis of R. pacifica. (See ETYFish); atlantica: ana- (L.), belonging to: North Atlantic Ocean, where it occurs. (See ETYFish).
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 深海底的; 深度上下限 200 - 1500 m (Ref. 117245), usually 400 - 1500 m (Ref. 4444). 深水域; 67°N - 58°S, 98°W - 26°E
Northwest to Northeast Atlantic, and Southeast Atlantic: Antitropical. Eastern Atlantic: northern Bay of Biscay northward to Iceland, including the Iceland-Faroes Rise (Ref. 3183); off Cayar and Cape Barbas in Western Sahara, off Namibia and South Africa (Ref. 4444). Western Atlantic: off Nova Scotia, Canada and New England, USA (Ref. 3183).
對東北大西洋 , 與東南大西洋的西北: Antitropical。 東大西洋: 比斯開灣北部向北至冰島, 包括冰島- 法羅斯高地;(參考文獻 3183) 外海的西撒哈拉的 Cayar 與 Barbas 海岬，那米比亞外海與南非.(參考文獻 4444) 西大西洋: 外海的加拿大的新斯科舍省與美國的新英格蘭.(參考文獻 3183)
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 140 cm TL 雄魚/尚未辨別雌雄; (Ref. 4444)
背棘 (總數) : 1; 臀棘: 0; 臀鰭軟條: 0. A longnose chimaera with a narrow, moderately flattened, pointed snout and smooth, sharp-edged tooth plates; pectoral fins narrow, and caudal fin with very short terminal filament and wide-spaced tubercles on upper edge (in adults and large juveniles) (Ref. 5578). Whitish to light brown in color (Ref. 5578).
一個長鼻的銀鮫具有一個狹窄的﹐一般平﹐和尖的吻而平滑又邊緣銳利的齒板; 胸鰭狹窄的, 而且在上緣 (當成魚時與大的稚魚) 上尾鰭有非常短的末端絲狀突起與間隔大的小瘤.(參考文獻 5578) 微白色的到淡褐色顏色.(參考文獻 5578)
Found on or near the bottom of continental slopes (Ref. 5578). Forms groups according to sex and size (Ref. 5578). Feeds on shrimps and crabs (Ref. 27637). Oviparous (Ref. 205). Eggs are encased in horny shells (Ref. 205).
棲息於大陸斜坡的近底部.(參考文獻 5578) 聚集族群根據性別與大小.(參考文獻 5578) 吃蝦與螃蟹。 (參考文獻 27637) 卵生的.(參考文獻 205) 卵被包在角狀的外型突起中。 (參考文獻 205)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
Oviparous (Ref. 205).對東北大西洋 , 與東南大西洋的西北: Antitropical。 東大西洋: 比斯開灣北部向北至冰島, 包括冰島- 法羅斯高地;(參考文獻 3183) 外海的西撒哈拉的 Cayar 與 Barbas 海岬，那米比亞外海與南非.(參考文獻 4444) 西大西洋: 外海的加拿大的新斯科舍省與美國的新英格蘭.(參考文獻 3183)
Krefft, G., 1990. Rhinochimaeridae. p. 114-116. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 1. (Ref. 4444)
IUCN 瀕危狀態 (Ref. 130435)
無危 (LC) ; Date assessed: 02 September 2019
人類使用
漁業: 商業性
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Estimates based on models
Preferred temperature (Ref.
123201): 3.4 - 8.9, mean 6.7 °C (based on 174 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.6289 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00195 (0.00083 - 0.00458), b=3.15 (2.95 - 3.35), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.9 ±0.46 se; based on food items.
回復力 (Ref.
120179): 低的, 最小族群倍增時間4.5 - 14 年 (Assuming Fec <100).
Fishing Vulnerability (Ref.
59153): Very high vulnerability (84 of 100).
Climate Vulnerability (Ref.
125649): Moderate vulnerability (38 of 100).
Nutrients (Ref.
124155): Calcium = 8.71 [2.52, 29.40] mg/100g; Iron = 0.36 [0.12, 0.92] mg/100g; Protein = 14.2 [9.9, 18.2] %; Omega3 = 0.262 [0.098, 0.711] g/100g; Selenium = 22.4 [6.6, 72.4] μg/100g; VitaminA = 5.02 [1.05, 22.07] μg/100g; Zinc = 0.293 [0.152, 0.567] mg/100g (wet weight);
