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).
Environment: milieu / climate zone / depth range / 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
Maturity: 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
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 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)
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 (Ref.
123201): 24.4 - 28, mean 26.7 °C (based on 64 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5029 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00347 (0.00157 - 0.00767), 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 (Ref.
69278): 4.5 ±0.54 se; based on food items.
回复力 (Ref.
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).
