分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Holocephali
全头亚纲 (银鲛科) (chimaeras) >
Chimaeriformes (Chimaeras) >
Rhinochimaeridae (Longnose chimaeras)
Etymology: Rhinochimaera: A chimaera with rhinos (Gr.), nose, referring to long, pointed proboscis of R. pacifica. (See ETYFish); pacifica: ana- (L.), belonging to: Pacific Ocean, described as a Pacific congener of Harriotta raleighana. (See ETYFish).
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋 深海底的; 深度上下限 330 - 1490 m (Ref. 26346). 深水域; 46°N - 50°S
Pacific Ocean: Japanese Archipelago to the South China Sea, and off Australasia and Peru.
太平洋: 日本列島到南中國海 , 與外海的大洋洲與祕魯。
Length at first maturity / 大小 / 重量 / 年龄
Maturity: Lm 125.0, range 108 - 129.5 cm
Max length : 159 cm TL 雄鱼/尚未辨别雌雄; (Ref. 122636); 最大体重: 3.2 kg (Ref. 122636)
简单描述
检索表 | 型态特徵 | 形态测量图
背棘 (总数) : 1; 臀棘: 0; 臀鳍软条: 0. Pale brown dorsally, grey-brown ventrally; snout and front of head white (Ref. 26346). A spookfish with a very long, narrow, conical snout, a small eye situated behind the mouth, a rather long first dorsal fin and spine, relatively smooth tooth plates, and with the lower caudal-fin lobe longer than the upper lobe (Ref. 6871).
白褐色背面, 灰褐色腹地; 吻与头部前端白色.(参考文献 26346) 一个长吻银鲛具有一个非常长的，狭窄的，和锥形吻 , 位于在后嘴巴，一个相当长的第一背鳍与棘，相当平滑的齿板一个小的眼, 与具有下面的尾鳍叶长度超过上叶.(参考文献 6871)
Found on the continental slope (Ref. 7300). Maximum length 130 cm without caudal filament (Ref. 26346). Oviparous (Ref. 205). Eggs are encased in horny shells (Ref. 205).
栖息于大陆斜坡了。 (参考文献 7300) 最大的长度 130个公分尾丝不计.(参考文献 26346) 卵生的.(参考文献 205) 卵被包在角状的外型突起中。 (参考文献 205)
Oviparous (Ref. 26346).太平洋: 日本列島到南中國海 , 與外海的大洋洲與祕魯。
Last, P.R. and J.D. Stevens, 1994. Sharks and rays of Australia. CSIRO, Australia. 513 p. (Ref. 6871)
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Estimates based on models
Preferred temperature (Ref.
123201): 5 - 9.8, mean 7.1 °C (based on 517 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.6289 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00100 (0.00062 - 0.00162), b=3.11 (2.97 - 3.25), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
营养阶层 (Ref.
69278): 3.9 ±0.5 se; based on size and trophs of closest relatives
回复力 (Ref.
120179): 低的, 最小族群倍增时间4.5 - 14 年 (Assuming Fec <100).
Fishing Vulnerability (Ref.
59153): Very high vulnerability (90 of 100).
