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Teleostei >
Acanthuriformes (Surgeonfishes)
鱸形目 (Surgeonfishes) >
Acanthuridae (Surgeonfishes, tangs, unicornfishes)
刺尾魚科 (Surgeonfishes, tangs, unicornfishes) > Prionurinae
Etymology: Prionurus: Greek, prion, -onos = saw + Greek, oura = tail (Ref. 45335).
More on author: Valenciennes.
Environment: milieu / climate zone / 深度上下限 / distribution range
生態學
海洋 礁區魚類, usually 2 - 20 m (Ref. 27115). 亞熱帶的; 24°C - 28°C (Ref. 27115)
Northwest Pacific: Matsushima Bay, Japan to Taiwan.
西北太平洋: 日本松島灣到台灣。
大小 / 重量 / 年齡
成熟度: Lm ? range ? - ? cm
Max length : 50.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 9710)
背棘 (總數) : 9; 背的軟條 (總數) : 22 - 24; 臀棘: 3 - 4; 臀鰭軟條: 21 - 23. Body roundish in young, becoming ovate with age. Forehead without rostral prominence even in adult. Caudal peduncle relatively deep and compressed without dorsal and ventral precaudal depressions. Four or 5 bony plates are on each side of the caudal peduncle. Posterior 3 or 4 plates with feeble triangular keels.
Body shape (shape guide): short and / or deep; Cross section: compressed.
身體圓的當幼魚時, 變成卵形隨著年齡。 甚至在成魚中前額沒有嘴的突起。 尾柄相當深而扁長形的沒有背部與腹的尾前椎凹窪。 四或 5個骨質板在尾梗的兩邊上。 在後部的 3 或 4 碟有薄弱的三角形的龍骨脊。
Often found in groups in shallow, surge rocky areas (Ref. 9710). Anterolateral glandular groove with venom gland (Ref. 57406).
在水淺且有海浪的岩石區中經常被成群發現。 (參考文獻 9710)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
西北太平洋: 日本松島灣到台灣。
Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino, 1984. The fishes of the Japanese Archipelago. Vol. 1. Tokai University Press, Tokyo, Japan. 437 p. (text). (Ref. 559)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-1)
人類使用
漁業: 商業性; 游釣魚種: 是的; 水族館: 商業性
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Estimates based on models
Preferred temperature (參考文獻
123201): 17.7 - 26.6, mean 22.5 °C (based on 96 cells).
Phylogenetic diversity index (參考文獻
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01995 (0.00906 - 0.04395), b=3.01 (2.83 - 3.19), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
營養階層 (參考文獻
69278): 2.0 ±0.00 se; based on food items.
回復力 (參考文獻
120179): 中等的, 族群倍增時間最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (40 of 100).
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Nutrients (Ref.
124155): Calcium = 25.2 [12.1, 50.0] mg/100g; Iron = 0.543 [0.277, 1.082] mg/100g; Protein = 18.9 [17.6, 20.3] %; Omega3 = 0.14 [0.08, 0.27] g/100g; Selenium = 16.5 [7.0, 36.4] μg/100g; VitaminA = 20.8 [4.3, 95.1] μg/100g; Zinc = 0.86 [0.53, 1.42] mg/100g (wet weight);
