Acanthurus blochii, Ringtail surgeonfish : fisheries, aquarium

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Acanthurus blochii Valenciennes, 1835

Ringtail surgeonfish
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Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Acanthurus blochii   AquaMaps   Data sources: GBIF OBIS
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Image of Acanthurus blochii (Ringtail surgeonfish)
Acanthurus blochii
Picture by Randall, J.E.

分類 / Names 共通名の | 類義語 | Catalog of Fishes(部類, ) | ITIS | CoL | WoRMS | Cloffa

> Acanthuriformes (Surgeonfishes) > Acanthuridae (Surgeonfishes, tangs, unicornfishes) > Acanthurinae
Etymology: Acanthurus: Greek, akantha = thorn + Greek, oura = tail (Ref. 45335).  More on author: Valenciennes.

Environment: milieu / climate zone / depth range / distribution range 生態学

; 海 関連する礁; 深さの範囲 2 - 15 m (Ref. 90102).   Tropical; 31°N - 34°S, 25°E - 156°W

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Indo-Pacific: East Africa, including the Mascarene Islands (Ref. 37792) to the Hawaiian and Society islands, north to Ryukyu Islands, south to Lord Howe Island.

サイズ / 重さ / 年齢

Maturity: Lm ?  range ? - ? cm
Max length : 45.0 cm SL オス/雌雄の選別がない; (Ref. 48637); 最大記録サイズ: 35 年 (Ref. 52229)

簡単な記述 形態学 | 形態計測学

背面の脊椎 (合計): 9; 背鰭 (合計): 25-27; 肛門の骨 3; 臀鰭: 24 - 25. Color in life bluish grey with numerous yellowish brown spots which tend to form irregular longitudinal lines; head with narrow irregular stripes; behind eye a yellow spot; brown pectoral fins; base of caudal fin with white bar. Caudal spine large, 3 - 4.4 in head. Stomach gizzard-like. Differs from A. dussumieri by having vertical stripes instead of spots on the blue central area of the caudal fin, from A. mata by having a lunate caudal fin, and from A. xanthopterus by having plain brown to blue-grey pectoral fins (Ref. 1602). The white ring around the base of the tail varies in intensity and may occasionally be absent (Ref. 1602).

生物学     用語集 (例 epibenthic)

Adults occur in outer lagoon and seaward reefs, usually seen in small groups and school in some oceanic locations (Ref. 48637). Benthopelagic (Ref. 58302). They feed primarily on the algal film covering compacted sand, ingesting the usual component of sand which probably aids in the trituration of the algal food in the thick-walled stomach, also feed on diatoms and detritus (Ref. 3921).

Life cycle and mating behavior 成熟 | 繁殖 | 放精 | | 生産力 | 幼生

主な参考文献 Upload your references | 参考文献 | コーディネーター : Randall, John E. | 協力者

Randall, J.E., 1987. Three nomenclatorial changes in Indo-Pacific surgeonfishes (Acanthurinae). Pac. Sci. 41(1-4):54-61. (Ref. 1921)

IUCNのレッドリストの状況は (Ref. 123251)

  軽度懸念 (LC) ; Date assessed: 03 May 2010

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

人間に対する脅威

  Harmless





Human uses

水産業: 商業; 水族館・水槽: 商業
FAO - Publication: search | FishSource | 私達の周りの海

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共通名の
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成熟
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インターネットの情報源

Estimates based on models

Preferred temperature (Ref. 115969): 24.9 - 28.8, mean 27.8 °C (based on 1800 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02042 (0.01320 - 0.03157), b=2.99 (2.86 - 3.12), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
栄養段階 (Ref. 69278):  2.0   ±0.00 se; based on food items.
Generation time: 4.4 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies.
回復力 (Ref. 120179):  低い, 4.5年~14年の倍増期間の最小個体群 (tmax=35; K=0.25).
弱み (Ref. 59153):  Moderate vulnerability (38 of 100) .
価格帯 (Ref. 80766):   Medium.
Nutrients (Ref. 124155):  Calcium = 47.2 [15.0, 110.0] mg/100g ; Iron = 0.733 [0.287, 1.786] mg/100g ; Protein = 18.5 [17.3, 19.7] % ; Omega3 = 0.106 [0.050, 0.217] g/100g ; Selenium = 19.8 [7.2, 59.5] μg/100g ; VitaminA = 27.6 [6.9, 106.9] μg/100g ; Zinc = 2.28 [0.72, 4.36] mg/100g (wet weight);