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) >
Carcharhiniformes (Ground sharks) >
Hemigaleidae (Weasel sharks)
Etymology: Paragaleus: para (Gr.), near, referring to how its dentition is intermediate between Hemigaleus and the triakid Eugaleus (=Galeorhinus). (See ETYFish); pectoralis: Latin for pectoral, allusion not explained, possibly referring to its characteristic falciform pectoral fins. (See ETYFish).
More on author: Garman.
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋 居于水底的; 深度上下限 ? - 100 m (Ref. 5578), usually 30 - 70 m (Ref. 10730). 熱帶; 30°N -
Eastern Atlantic: Cape Verde and Mauritania to northern Namibia (Ref. 244, 5578); possibly extending north to Morocco. Record from the Northwest Atlantic, specifically in New England, has not been verified even after an extensive survey of the area has been conducted.
東大西洋: 維德角與茅利塔尼亞到那米比亞北部;(參考文獻 244,5578) 可能地向北延伸到摩洛哥。 記錄從西北大西洋, 特別的在新英格蘭, 沒有被查證即使經過區域的一個廣泛調查已經被傳導。
Length at first maturity / 大小 / 重量 / 年龄
Maturity: Lm 82.5, range 75 - 90 cm
Max length : 140 cm TL 雄鱼/尚未辨别雌雄; (Ref. 5578); common length : 100.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 26999)
背棘 (总数) : 0; 臀棘: 0. A slender weasel shark with a moderately long snout, large eyes, and a short, small mouth with small, serrated upper teeth and erect-cusped lower teeth (Ref. 5578). Light grey or bronze with longitudinal yellow stripes, fins plain; white below (Ref. 5578).
一只细长的鼬鼠鲨鱼有一个中等长度的吻，大的眼, 与一个短小的嘴部具有小又锯齿状的上颚齿与直立且尖头的下颚齿.(参考文献 5578) 浅灰色或青铜色的有纵向的黄色斑纹，鳍平原; 腹面白色的.(参考文献 5578)
A very common inshore to offshore shark of the continental shelf occurring at depths of a few meters to slightly over 100 m (Ref. 244). A specialist feeder that prefers cephalopods, also feeds on small bony fishes (Ref. 244). Viviparous (Ref. 50449). Utilized fresh and dried salted for human consumption, and processed into fishmeal (Ref. 244).
被出现在深度几公尺略超过 100 公尺的大陆架的一种非常常见沿海地区到外海鲨鱼.(参考文献 244) 一个偏爱头足类动物的专门猎食者, 也吃小的硬骨鱼类。 (参考文献 244) 胎生的.(参考文献 50449) 生鲜使用与乾燥盐腌供人类消费, 而且加工成鱼粉.(参考文献 244)
Viviparous (with a yolk-sac placenta), with 1 to 4 young per litter. Size at birth about 47 cm (Ref. 244). Distinct pairing with embrace (Ref. 205).東大西洋: 維德角與茅利塔尼亞到那米比亞北部;(參考文獻 244,5578) 可能地向北延伸到摩洛哥。 記錄從西北大西洋, 特別的在新英格蘭, 沒有被查證即使經過區域的一個廣泛調查已經被傳導。
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 2 - Carcharhiniformes. FAO Fish. Synop. 125(4/2):251-655. Rome: FAO. (Ref. 244)
世界自然保护联盟红皮书 (Ref. 130435)
濒危 (EN) (A2bd); Date assessed: 04 August 2020
人类利用
渔业: 商业性
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Estimates based on models
Preferred temperature (Ref.
123201): 17.7 - 25.9, mean 19.9 °C (based on 45 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5664 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00363 (0.00147 - 0.00899), b=3.07 (2.86 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 4.3 ±0.64 se; based on food items.
回复力 (Ref.
120179): 非常低的, 最小族群倍增时间超过14 年 (Fec=1).
Fishing Vulnerability (Ref.
59153): Very high vulnerability (84 of 100).
