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) >
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
生態學
海洋 底中水層性; 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 / 年齡
Maturity: Lm 202.5, range 150 - 205 cm
Max length : 280 cm TL 雄魚/尚未辨別雌雄; (Ref. 244); common length : 200 cm TL 雄魚/尚未辨別雌雄; (Ref. 26999); 最大體重: 76.7 kg (Ref. 40637)
背棘 (總數) : 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).
一瘦的鯊魚有一個非常長的﹐尖的吻﹐和大的眼, 與小的頜部有斜尖的鋸齒狀的上顎齒; 背鰭低的具有細長的後頂端; 間背脊呈現。 (參考文獻 5578) 背面灰褐色的, 腹面白色的; 沒有顯著的鰭斑紋.(參考文獻 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).
海岸的與半大洋性魚種發現或者之上沿著大陸棚和島嶼棚外緣.(參考文獻 244) 發現到深度 40 公尺。 (參考文獻 26938) 形成魚群。 (參考文獻 244) 夜行的 (參考文獻 5578), 而且主要捕食小的硬骨魚類與烏賊.(參考文獻 244) 胎生的.(參考文獻 50449) 非洲西部外,在 90 到 285 公尺記錄了水參數, 在那裡它被捕捉包括: 溫度 =11 到 16 °C; 鹽度 =36 ppt; 氧 =1.81 毫升/l.(參考文獻 244) 不知道是否對人有危險.(參考文獻 244)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
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)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-1)
瀕危 (EN) (A2bd); Date assessed: 21 June 2019
人類使用
漁業: 商業性; 游釣魚種: 是的
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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=0.00468 (0.00303 - 0.00722), b=3.07 (2.95 - 3.19), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
營養階層 (Ref.
69278): 4.6 ±0.0 se; based on diet studies.
回復力 (Ref.
120179): 非常低的, 最小族群倍增時間超過14 年 (tm=8-10; Fec=4; Tmax=17; K=0.12).
Fishing Vulnerability (Ref.
59153): High to very high vulnerability (73 of 100).
