Carcharhinus signatus, Night shark : fisheries

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Carcharhinus signatus (Poey, 1868)

Night shark
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Carcharhinus signatus   AquaMaps   Data sources: GBIF OBIS
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Image of Carcharhinus signatus (Night shark)
Carcharhinus signatus
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分类 / Names 俗名 | 同种异名 | Catalog of Fishes(, ) | 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)

分布 国家 | FAO区域 | 生态系 | 标本纪录 | Point map | 简介 | Faunafri

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)

简单描述 型态特徵 | 形态测量图

背棘 (总数): 0; 背的软条 (总数): 0; 臀棘 0; 臀鳍软条: 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)

生物学特性     字汇 (例如 epibenthic)

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)

Life cycle and mating behavior 成熟度 | 繁殖 | 产卵场 | | 孕卵数 | 仔鱼

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)

主要参考文献 Upload your references | 参考文献 | 合作者 : Compagno, Leonard J.V. | 合作者

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

CITES


CMS (Ref. 116361)

Not Evaluated

对人类的威胁

  无害处的 (Ref. 244)





人类利用

渔业: 商业性
FAO - 渔业: 物种外形; Publication: search | FishSource |

更多信息

俗名
同种异名
新陈代谢
捕食者
生态毒物学
繁殖
成熟度
产卵场
产卵群集
孕卵数

卵的发育
参考文献
养殖
养殖信息
品种
遗传学
Electrophoreses
遗传率
疾病
加工
Nutrients
Mass conversion
合作者
照片
Stamps, Coins Misc.
声音
神经毒
速度
泳型
鳃区
Otoliths
脑重体重比
眼睛色素

工具

特别资料

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网络资源

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | 核实 FishWatcher | CISTI | Catalog of Fishes: , | DiscoverLife | ECOTOX | FAO - 渔业: 物种外形; Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: 基因组, 核苷酸 | GloBI | GoMexSI (interaction data) | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | 国家资料库 | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | 树状分类阶层 | Wikipedia: 转至, 搜寻 | World Records Freshwater Fishing | 动物学的记录

Estimates based on models

Preferred temperature (Ref. 123201): 15.8 - 27, mean 21.7 °C (based on 178 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 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).
价格分类 (Ref. 80766):   Medium.