分類 / Names
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Acanthuriformes (Surgeonfishes) >
Acanthuridae (Surgeonfishes, tangs, unicornfishes) > Acanthurinae
Etymology: Acanthurus: Greek, akantha = thorn + Greek, oura = tail (Ref. 45335).
Issue
FishBase common name changed from Chocolate surgeonfish (AFS: Ref. 130874) to Mimic surgeonfish (FAO/ASFIS: Ref.131312).
Environment: milieu / climate zone / depth range / distribution range
生態学
海 関連する礁; 深さの範囲 0 - 60 m (Ref. 1602), usually 5 - 40 m (Ref. 27115). Tropical; 32°N - 24°S, 55°E - 138°W
Indo-Pacific: Seychelles to the Marquesas and Tuamoto islands, north to southern Japan, south to the Great Barrier Reef and New Caledonia. Replaced by Acanthurus trisits from the Maldives and Chagos Islands to Bali (Ref. 37816).
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 29.0 cm TL オス/雌雄の選別がない; (Ref. 90102); 最大記録サイズ: 28 年 (Ref. 52229)
背面の脊椎 (合計) : 8; 背鰭 (合計) : 27 - 30; 肛門の骨: 3; 臀鰭: 24 - 28. Purplish black in color; an orange diffused patch at edge of gill opening, just above pectoral fin base; a broad black band from upper end of gill opening to margin of gill cover down to isthmus; caudal spine socket with a narrow black margin. Blackish lips; a trace of orange behind eye; a white line under chin extending slightly above rictus. Gill rakers on anterior row 23-26; on posterior row 25-27. Juveniles can exhibit 3 different color patterns mimicking Centropyge species. Caudal fin rounded in juveniles.
Occurs in lagoon and seaward reefs; prefers areas of mixed coral, rock, or sand at the base of reefs or ledges, Ref. 48637. Also on silty reefs (Ref. 9710). Found singly (Ref. 9710). Juveniles mimic Centropyge spp. (in Guam, juveniles mimic C. flavissimus but in Palau where this species is absent, they mimic C. vrolikii), Ref. 48637. Presence of a venom gland could not be determined despite the presence of distinct anterolateral grooves; this may be due to the loss of venom glands in adults (Ref. 57406). Feeds on algae (Ref. 89972). Minimum depth reported taken from Ref. 128797.
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Randall, J.E., 1956. A revision of the surgeonfish genus Acanthurus. Pac. Sci. 10(2):159-235. (Ref. 1920)
IUCNのレッドリストの状況は (Ref. 130435: Version 2024-2)
Human uses
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
Estimates based on models
Preferred temperature (Ref.
123201): 25 - 28.8, mean 27.6 °C (based on 558 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [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).
栄養段階 (Ref.
69278): 2.0 ±0.00 se; based on food items.
回復力 (Ref.
120179): 低い, ４．５年～１４年の倍増期間の最小個体群 (K=0.422; tmax=28).
Fishing Vulnerability (Ref.
59153): Low vulnerability (19 of 100).
Nutrients (Ref.
124155): Calcium = 60.6 [25.4, 172.2] mg/100g; Iron = 0.749 [0.287, 1.819] mg/100g; Protein = 18.1 [16.8, 19.3] %; Omega3 = 0.107 [0.049, 0.224] g/100g; Selenium = 19.1 [6.7, 57.1] μg/100g; VitaminA = 44.1 [10.1, 179.4] μg/100g; Zinc = 2.89 [0.91, 5.30] mg/100g (wet weight);
