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) >
Sphyrnidae (Hammerhead, bonnethead, or scoophead sharks)
Etymology: Sphyrna: Probable misspelling of sphyra (Gr.), hammer, referring to their hammer-shaped heads (See ETYFish).
Eponymy: Monsieur Couard was Director of shark fisheries off the coast of Senegal, the type locality. Unfortunately we can find nothing more about him. (Ref. 128868), visit book page.
Issue
Junior synonym of Sphyrna lewini (Griffith & Smith 1834) in Ref. 94083,106604. This page will be deleted.
Environment: milieu / climate zone / 深度上下限 / distribution range
生态学
海洋 底中水层性. 熱帶; 17°N - 5°S, 19°W - 13°E
Eastern Atlantic: Senegal to Congo. Not in Compagno's 1999 checklist (Ref. 35766).
東大西洋: 塞內加爾到剛果。 不在 Compagno's 1999 名錄中.(參考文獻 35766)
大小 / 重量 / 年龄
成熟度: Lm ? range ? - ? cm
Max length : 300 cm TL 雄鱼/尚未辨别雌雄; (Ref. 244)
A coastal-pelagic shark. Feeds on fishes, especially bony fishes, and also benthic and epibenthic cephalopods. Viviparous, with 24 to 28 young in a litter. Size at birth about 30 to 32 cm.
一只沿岸及大洋性的鲨鱼。 吃鱼, 尤其硬骨鱼类 , 以及底栖与浅海底栖头足类动物。 胎生的, 具有 24 到 28 幼鱼在一胎。 出生时的大小大约 30 到 32 公分。
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Viviparous, placental (Ref. 50449).東大西洋: 塞內加爾到剛果。 不在 Compagno's 1999 名錄中.(參考文獻 35766)
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: Version 2025-1)
人类利用
渔业: 自给性渔业
工具
特别资料
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网络资源
Estimates based on models
Preferred temperature (参考文献
123201): 24.4 - 28, mean 26.7 °C (based on 64 cells).
Phylogenetic diversity index (参考文献
82804): PD
50 = 0.5006 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00347 (0.00153 - 0.00788), b=3.12 (2.93 - 3.31), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (参考文献
69278): 4.5 ±0.54 se; based on food items.
回复力 (参考文献
120179): 低的, 最小族群倍增时间4.5 - 14 年 (Fec=24).
Fishing Vulnerability (Ref.
59153): Very high vulnerability (90 of 100).
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