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) >
Squaliformes (Sleeper and dogfish sharks)
角鯊目 (Sleeper and dogfish sharks) >
Squalidae (Dogfish sharks)
棘鮫科 (Dogfish sharks)
Etymology: Squalus: Genus name from Latin 'squalus' meaning shark (Ref. 6885, 27436); bucephalus: Name from Latin 'bu; meaning large and from Greek 'kephalis' = of the head, referring to its relatively bulky head.
More on authors: Last, Séret & Pogonoski.
環境: 環境 / 氣候帶 / 深度上下限 / 配送範圍
生態學
海洋 pelagic-oceanic; 深度上下限 448 - 880 m (Ref. 58438). 熱帶
分布
領土 | FAO區域 | 生態系 | 發現紀錄 | 分布圖 | 簡介 | Faunafri
Western Pacific: northern Tasman Sea on Norfolk Ridge (Stylaster Seamount), and off New Caledonia.
西太平洋: 在諾福克脊 (Stylaster 海洋山脊) 上的北方的塔斯曼海 , 與外海的新加勒多尼亞。
大小 / 重量 / 年齡
成熟度: Lm ?  range ? - ? cm
Max length : 90.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 58438)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
This large, broad-headed species of the 'megalops-cubensis group' is distinguished by the following set of characters: head width at mouth 12.1-13.5% TL; mouth width 2.2-2.7 times its horizontal prenarial length; direct pre-second dorsal length 3.9-4.0 times the pectoral-fin anterior margin, 2.7 times dorsal caudal margin; preoral length 2.7-3.1 times the horizontal prenarial length, 9.2-10.5% TL; strongly bifurcated anterior nasal flap; low and raked first dorsal fin; exposed bases of dorsal-fin spines are broad, 0.7-0.8% TL; both dorsal fins with short inner margins, first dorsal-fin height 1.4-1.5 times its inner margin length, second dorsal-fin height 0.8-1.0 times its inner margin length; pectoral-fin anterior margin 1.8-2.0 times its inner margin length; preventral caudal margin 1.8-2.2 times the inner margin of pelvic fin; dorsal fins with dark distal portion, posterior margin of free rear tip pale; caudal fin upper posterior margin broadly white, lower lobe with dark base and pale outer half, no caudal bar; flank denticles unicuspid or weakly tricuspid; monospondylous centra 45, precaudal centra 86-89, total centra 113-118 (Ref. 58438).
Body shape (shape guide): elongated.
生命週期和交配行為
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Distinct pairing with embrace (Ref. 205).西太平洋: 在諾福克脊 (Stylaster 海洋山脊) 上的北方的塔斯曼海 , 與外海的新加勒多尼亞。
Last, P.R., B. Séret and J.J. Pogonoski, 2007. Squalus bucephalus sp. Nov., a new short-snout spurdog from New Caledonia. p. 23-29. In P.R. Last, W.T. White and J.J. Pogonoski Descriptions of new dogfishes of the genus Squalus (Squaloidea: Squalidae). CSIRO Marine and Atmospheric Research Paper No. 014. 130 p. (Ref. 58438)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-2 (Global))
人類使用
漁業: 潛在的興趣
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 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00355 (0.00168 - 0.00751), b=3.09 (2.92 - 3.26), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
營養階層 (參考文獻 69278) |
4.1 ±0.4 se; based on size and trophs of closest relatives |
回復力 (參考文獻 120179) |
非常低的, 最小族群倍增時間超過14 年 (Preliminary K or Fecundity.). |
釣魚的脆弱性 (Ref. 59153) |
High vulnerability (64 of 100). 🛈 |