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) >
Carcharhiniformes (Ground sharks)
真鯊目 (Ground sharks) >
Hemigaleidae (Weasel sharks)
沙條鮫科 (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
生態學
海洋 居於水底的; 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 / 年齡
Maturity: Lm 82.5, range 75 - 90 cm
Max length : 140 cm TL 雄魚/尚未辨別雌雄; (Ref. 5578); common length : 100.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 26999)
背棘 (總數) : 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).
一隻細長的鼬鼠鯊魚有一個中等長度的吻，大的眼, 與一個短小的嘴部具有小又鋸齒狀的上顎齒與直立且尖頭的下顎齒.(參考文獻 5578) 淺灰色或青銅色的有縱向的黃色斑紋，鰭平原; 腹面白色的.(參考文獻 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).
被出現在深度幾公尺略超過 100 公尺的大陸棚的一種非常常見沿海地區到外海鯊魚.(參考文獻 244) 一個偏愛頭足類動物的專門獵食者, 也吃小的硬骨魚類。 (參考文獻 244) 胎生的.(參考文獻 50449) 生鮮使用與乾燥鹽醃供人類消費, 而且加工成魚粉.(參考文獻 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)
IUCN 瀕危狀態 (Ref. 130435)
瀕危 (EN) (A2bd); Date assessed: 04 August 2020
人類使用
漁業: 商業性
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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).
營養階層 (Ref.
69278): 4.3 ±0.64 se; based on food items.
回復力 (Ref.
120179): 非常低的, 最小族群倍增時間超過14 年 (Fec=1).
Fishing Vulnerability (Ref.
59153): Very high vulnerability (84 of 100).
