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).
More on author: Günther.
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 1 - 90 m (Ref. 1602). Tropical; 30°N - 26°S, 52°E - 137°W
Western Central Pacific: southern Japan, Yap, Guam, Pagan, Vanuatu, and Great Barrier Reef; widely in the central Pacific Ocean (except for the Hawaiian
Islands and Johnston Atoll).
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm
Max length : 25.0 cm TL オス/雌雄の選別がない; (Ref. 2334)
背面の脊椎 (合計) : 9; 背鰭 (合計) : 25; 肛門の骨: 3; 臀鰭: 25; 脊つい: 22. This species is characterized by the following: D IX,25; pectoral rays 16; gill rakers 25; teeth incisiform, denticulate, and close-set, with the distal end of upper teeth rounded with 12
upper and 14 lower teeth; body depth 1.9 in SL. Colouration: body light to dark brown with irregular, longitudinal, dotted stripes narrower than brown interspaces; suborbital and opercular region with stripes paralleling snout outline; rear base of dorsal and anal fins with a pupil-sized black blotch; dorsal and anal fins with bands paralleling outer edge (Ref. 138601).
Body shape (shape guide): short and / or deep; Cross section: compressed.
Inhabits clear lagoon and seaward reefs; often in areas with mixed coral, pavement, rubble and sand substrates (Ref. 1602). Benthopelagic (Ref. 58302). Occurs singly or in small groups (Ref. 9710). Feeds on filamentous algae, diatoms and fine algal film of compacted sand (Ref. 1602). Relatively uncommon throughout Micronesia; rare on Great Barrier Reef.
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., J.D. DiBattista and C. Wilcox, 2011. Acanthurus nigros Günther, a valid species of surgeonfish, distinct from the Hawaiian A. nigroris Valenciennes. Pacific Science 65(2):265-275. (Ref. 138600)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
人間の用途
水産業: 商業; 水族館・水槽: 商業
用具
特記事項
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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
系統多様性指数 (参照 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=0.02291 (0.01093 - 0.04802), 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) |
2.0 ±0.00 se; based on food items. |
回復力 (参照 120179) |
高い, 15か月以下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 (25 of 100). 🛈 |
価格帯 (Ref. 80766) |
Medium.
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栄養素 (Ref. 124155) |
Calcium = 67.7 [27.5, 195.0] mg/100g; Iron = 0.8 [0.3, 2.0] mg/100g; Protein = 18.1 [16.8, 19.3] %; Omega3 = 0.116 [0.054, 0.241] g/100g; Selenium = 20.6 [7.2, 63.2] μg/100g; VitaminA = 43.3 [9.9, 178.5] μg/100g; Zinc = 2.95 [0.94, 5.46] mg/100g (wet weight); |