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)
白眼鮫目 (Ground sharks) >
Carcharhinidae (Requiem sharks)
白眼鮫科 (Requiem sharks)
Etymology: Carcharhinus: karcharos (Gr.), sharp or jagged; rhinus, an ancient name for sharks, from rhine (Gr.), rasp, both words alluding to a shark's jagged, rasp-like skin. (See ETYFish); signatus: Latin for marked, probably referring to indentation on outer margins of upper teeth (described from jaws only). (See ETYFish).
More on author: Poey.
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋 底中水层性; 深度上下限 0 - 600 m (Ref. 244), usually 50 - 100 m (Ref. 244). 亞熱帶的; 11°C - 16°C (Ref. 244); 39°N - 43°S, 98°W - 15°E (Ref. 55190)
Western Atlantic: Delaware to Florida (USA), Bahamas, and Cuba; southern Brazil, Argentina (Ref. 244). Eastern Atlantic: Senegal to Côte d'Ivoire, Ghana to Cameroon, Democratic Republic of the Congo, Angola, off northern Namibia (Ref. 244, 5578).
西大西洋: 德拉瓦州到佛羅里達 (美國) ，巴哈馬與古巴; 巴西南部，阿根廷。 東大西洋: 塞內加爾到象牙海岸，迦納到喀麥隆，剛果，安哥拉, 外海的那米比亞北部.(參考文獻 5578)
Length at first maturity / 大小 / 重量 / 年龄
Maturity: Lm 202.5, range 150 - 205 cm
Max length : 280 cm TL 雄鱼/尚未辨别雌雄; (Ref. 244); common length : 200 cm TL 雄鱼/尚未辨别雌雄; (Ref. 26999); 最大体重: 76.7 kg (Ref. 40637)
背棘 (总数) : 0; 臀棘: 0. A slim shark with a very long, pointed snout, large eyes, and small jaws with oblique-cusped serrated upper teeth; dorsal fins low with elongated rear tips; interdorsal ridge present (Ref. 5578). Grey-brown above, white below; no conspicuous fin markings (Ref. 5578).
一瘦的鲨鱼有一个非常长的，尖的吻，和大的眼, 与小的颌部有斜尖的锯齿状的上颚齿; 背鳍低的具有细长的后顶端; 间背脊呈现。 (参考文献 5578) 背面灰褐色的, 腹面白色的; 没有显着的鳍斑纹.(参考文献 5578)
Coastal and semi-oceanic species found on or along outer continental and insular shelves (Ref. 244). Found to depths of 40 m (Ref. 26938). Forms schools (Ref. 244). Nocturnal (Ref. 5578), and feeding mainly on small bony fishes and squid (Ref. 244). Viviparous (Ref. 50449). Off West Africa, recorded water parameters at 90 to 285 m, where it was caught includes: temperature = 11 to 16°C; salinity = 36 ppt; oxygen = 1.81 ml/l (Ref. 244). Not known to be dangerous to people (Ref. 244).
海岸的与半大洋性鱼种发现或者之上沿着大陆架和岛屿棚外缘.(参考文献 244) 发现到深度 40 公尺。 (参考文献 26938) 形成鱼群。 (参考文献 244) 夜行的 (参考文献 5578), 而且主要捕食小的硬骨鱼类与乌贼.(参考文献 244) 胎生的.(参考文献 50449) 非洲西部外,在 90 到 285 公尺记录了水参数, 在哪里它被捕捉包括: 温度 =11 到 16 °C; 盐度 =36 ppt; 氧 =1.81 毫升/l.(参考文献 244) 不知道是否对人有危险.(参考文献 244)
Viviparous, placental (Ref. 50449), with 4 to 12 young in a litter (Ref. 244). Size at birth about 60 cm (Ref. 244). Distinct pairing with embrace (Ref. 205).西大西洋: 德拉瓦州到佛羅里達 (美國) ，巴哈馬與古巴; 巴西南部，阿根廷。 東大西洋: 塞內加爾到象牙海岸，迦納到喀麥隆，剛果，安哥拉, 外海的那米比亞北部.(參考文獻 5578)
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: 21 June 2019
人类利用
渔业: 商业性
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Estimates based on models
Preferred temperature (Ref.
123201): 15.8 - 27, mean 21.7 °C (based on 178 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00457 (0.00292 - 0.00715), b=3.08 (2.96 - 3.20), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 4.6 ±0.0 se; based on diet studies.
回复力 (Ref.
120179): 非常低的, 最小族群倍增时间超过14 年 (tm=8-10; Fec=4; Tmax=17; K=0.12).
Fishing Vulnerability (Ref.
59153): High to very high vulnerability (73 of 100).
