分類 / 名前
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Acanthuriformes (Surgeonfishes) >
Acanthuridae (Surgeonfishes, tangs, unicornfishes) > Acanthurinae
Etymology: Acanthurus: Greek, akantha = thorn + Greek, oura = tail (Ref. 45335).
環境：環境 / 気候帯 / 深さの範囲 / 分布範囲
生態学
海 関連する礁; 深さの範囲 5 - 20 m (Ref. 9710). Tropical; 12°S - 34°S, 142°E - 170°W
Western Pacific: the Great Barrier Reef, Chesterfield Islands and the Coral Sea, Vanuatu, New Caledonia, Loyalty Islands, Tonga and Samoa Islands.
サイズ / 重さ / 年齢
成熟: Lm ? range ? - ? cm
Max length : 33.0 cm TL オス/雌雄の選別がない; (Ref. 2334)
背面の脊椎 (合計) : 8 - 9; 背鰭 (合計) : 22 - 33; 肛門の骨: 2 - 3; 臀鰭: 18 - 31; 脊つい: 22. Body varying from light bluish grey to dark brown, without blue lines. Outer part of pectoral fins abruptly white, the demarcation curved such that pale area is broadest on central part of fin. Least depth of caudal peduncle 3.1 to 3.3 times in head length. Maximum standard length about 33 cm (Ref 9808).
Body shape (shape guide): short and / or deep.
Found off steep outer-reef escarpments. May be solitary but most commonly seen in small aggregations feeding on zooplankton well off the bottom.
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Randall, J.E., G.R. Allen and R.C. Steene, 1990. Fishes of the Great Barrier Reef and Coral Sea. University of Hawaii Press, Honolulu, Hawaii. 506 p. (Ref. 2334)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
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インターネットの情報源
モデルに基づく推定値
好ましい温度 (参照
123201): 24.7 - 28.4, mean 26.3 °C (based on 333 cells).
系統多様性指数 (参照
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02291 (0.01098 - 0.04781), b=2.96 (2.79 - 3.13), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
栄養段階 (参照
69278): 3.4 ±0.45 se; based on food items.
回復力 (参照
120179): 手段, １．４年～４．４年の倍増期間の最小個体群 (Preliminary K or Fecundity.).
漁業の脆弱性 (Ref.
59153): Low vulnerability (23 of 100).
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栄養素 (Ref.
124155): Calcium = 54.5 [24.6, 203.9] mg/100g; Iron = 0.796 [0.280, 2.047] mg/100g; Protein = 19 [18, 20] %; Omega3 = 0.141 [0.062, 0.322] g/100g; Selenium = 12.8 [4.2, 42.7] μg/100g; VitaminA = 122 [48, 309] μg/100g; Zinc = 2.32 [0.73, 4.45] mg/100g (wet weight);
