分類 / 名稱
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) >
Sphyrnidae (Hammerhead, bonnethead, or scoophead sharks)
丫髻鮫科 (Hammerhead, bonnethead, or scoophead sharks)
Etymology: Sphyrna: Probable misspelling of sphyra (Gr.), hammer, referring to their hammer-shaped heads (See ETYFish); vespertina: Latin for western, an eastern Pacific relative of the Western Atlantic S. tiburo (See ETYFish).
環境: 環境 / 氣候帶 / 深度上下限 / 配送範圍
生態學
海洋 礁區魚類.
分布
領土 | FAO區域 | 生態系 | 發現紀錄 | 分布圖 | 簡介 | Faunafri
Eastern Pacific: southern California (U.S.A.) south to Paita (northern Peru), including Gulf of California (Mexico).
大小 / 重量 / 年齡
成熟度: Lm ?  range ? - ? cm
生命週期和交配行為
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Gonzalez, C., B. Postaire, W. Driggers, S. Caballero and D, Chapman, 2024. Sphyrna alleni sp. nov., a new hammerhead shark (Carcharhiniformes, Sphyrnidae) from the Caribbean and the Southwest Atlantic. Zootaxa 5512(4):491-511. (Ref. 132488)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-2 (Global))
人類使用
工具
特別的報告
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網路資源
基於模型的估計
系統發育多樣性指數 (參考文獻 82804) |
PD50 = 0.5006 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00347 (0.00155 - 0.00774), b=3.12 (2.93 - 3.31), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
營養階層 (參考文獻 69278) |
4.1 ±0.5 se; based on size and trophs of closest relatives |
回復力 (參考文獻 120179) |
低的, 最小族群倍增時間4.5 - 14 年 (Preliminary K or Fecundity.). |
釣魚的脆弱性 (Ref. 59153) |
Very high vulnerability (78 of 100). 🛈 |