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Negaprion brevirostris (Poey, 1868)

Lemon shark
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Negaprion brevirostris   AquaMaps   Data sources: GBIF OBIS
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Negaprion brevirostris
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Virgin Islands (UK) country information

Common names: [No common name]
Occurrence: native
Salinity: brackish
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments:
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/vi.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Compagno, L.J.V., 1984
National Database:

Common names from other countries

Requin citron, Tiburón galano, Requiem shark, ... more

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) > Carcharhinidae (Requiem sharks)
Etymology: Negaprion: negatus (L.), to deny; prion (Gr.), saw, referring to lack of saw-like serrations on teeth cusps. (See ETYFish);  brevirostris: Latin for having a wide forehead, referring to very broad, depressed head [treated as a junior synonym of N. brevirostris by some workers]. (See ETYFish).
  More on author: Poey.

Environment: milieu / climate zone / depth range / distribution range 生态学

海洋; 半咸淡水 礁区鱼类; 海洋洄游的 (Ref. 51243); 深度上下限 0 - 92 m (Ref. 244).    ; 45°N - 33°S, 114°W - 14°E (Ref. 55192)

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

Western Atlantic: New Jersey, USA to southern Brazil, including the Gulf of Mexico, the Bahamas, and the Caribbean; also in Gulf of Mexico (Ref. 26938). Northeast Atlantic: Senegal, Côte d'Ivoire and probably wide-ranging off West Africa, but this requires confirmation. Eastern Pacific: southern Baja California, Mexico and the Gulf of California to Ecuador.

Length at first maturity / 大小 / 重量 / 年龄

Maturity: Lm ?, range 239 - ? cm
Max length : 340 cm TL 雄鱼/尚未辨别雌雄; (Ref. 26938); common length : 240 cm TL 雄鱼/尚未辨别雌雄; (Ref. 5217); 最大体重: 183.7 kg (Ref. 40637); 最大年龄: 25 年 (Ref. 31395)

简单描述 检索表 | 型态特徵 | 形态测量图

A brownish shark with yellow overtones but no conspicuous markings. Large second dorsal fin nearly same size as first dorsal (Ref. 26938).

生物学特性     字汇 (例如 epibenthic)

Occurs on continental and insular shelves, frequenting mangrove fringes, coral keys, docks, sand or coral mud bottoms, saline creeks, enclosed bays or sounds, and river mouths. May enter fresh water. Occasionally moves into the open ocean, near or at the surface, apparently for purposes of migration. May rest motionless on the bottom (Ref. 9710). May occur singly or in small groups. Feeds mainly on fish but also takes crustaceans and mollusks. Viviparous, with 4 to 17 young in a litter. Size at birth 60 to 65 cm. Has been involved in several attacks on people. Meat is utilized for human consumption, hides for leather, fins for shark-fin soup base, liver oil for vitamins, and carcasses for fish meal. Marketed fresh, dried-salted and frozen (Ref. 9987).

Life cycle and mating behavior Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼

Distinct pairing with embrace (Ref. 205). Viviparous, placental (Ref. 50449), with 5 to 17 embryos (Ref. 9253). Both male and female during precopulatory and courtship swim with body axes in parallel (Ref. 49562, 51112). During copulation, the pair performs coordinated swimming (Ref. 49562, 51112).

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)

  次级保育类动物, 见 IUCN 红皮书 (VU) (A2bcd); Date assessed: 04 September 2020

CITES (Ref. 128078)

Appendix II: International trade monitored

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

  (Ref. 244)




人类利用

渔业: 商业性; 游钓鱼种: 是的
FAO(渔业: 产生; publication : search) | FishSource | 周边海洋

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Trophic ecology
食物相
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Length-weight rel.
Length-length rel.
体长-频率
Mass conversions
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繁殖
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Spawnings
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Egg(s)
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仔鱼
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Otoliths
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鱼的声音
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Genetics
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水产养殖描述
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References
参考文献

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Estimates based on models

Preferred temperature (Ref. 115969): 21.9 - 28, mean 25.6 (based on 714 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.7500   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00490 (0.00257 - 0.00934), b=3.11 (2.95 - 3.27), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
营养阶层 (Ref. 69278):  4.3   ±0.5 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 (K=0.54(?); tm=12.7; tmax=25; Fec = 4-17; rmax = 0.012).
Fishing Vulnerability (Ref. 59153):  High to very high vulnerability (73 of 100).
Climate Vulnerability (Ref. 125649):  Very high vulnerability (76 of 100).
价格分类 (Ref. 80766):   Medium.