Acanthurus mata (Cuvier, 1829)

Elongate surgeonfish
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Acanthurus mata
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分類 / Names 共通名の | 類義語 | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

条鰭類 > Perciformes (Perch-likes) > Acanthuridae (Surgeonfishes, tangs, unicornfishes) > Acanthurinae
Etymology: Acanthurus: Greek, akantha = thorn + Greek, oura = tail (Ref. 45335).  More on author: Cuvier.

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

; 海 関連する礁; 深さの範囲 5 - 100 m (Ref. 28016), usually 5 - 45 m (Ref. 27115).   Tropical; 23°C - 28°C (Ref. 27115); 35°N - 35°S, 30°E - 137°W

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Indo-Pacific: Red Sea south to Natal, South Africa and east to the Marquesas and Tuamoto islands, north to southern Japan, south to the southern Great Barrier Reef and New Caledonia.

サイズ / 重さ / 年齢

Maturity: Lm ?  range ? - ? cm
Max length : 50.0 cm TL オス/雌雄の選別がない; (Ref. 3145); 最大記録サイズ: 23 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): 24-26; 肛門の骨 3; 臀鰭: 23 - 24. This species is distinguished by the following characters: body moderately deep and compressed, its depth 2.1-2.5 times in standard length or SL (smaller individuals are deeper-bodied); snout relatively short, 6-6.9 times in SL; eye 3.2-4.5 times in head length (at 12-28 cm SL); mouth small; teeth spatulate, close-set, with denticulate edges, and small for the genus; total gill rakers on first gill arch 13-15; continuous, unnotched dorsal fin IX,24-26; A III,23-24; caudal fin emarginate to lunate, concavity 6.5-9 times in SL (concavity is greater in larger individuals); caudal peduncle narrow, the least depth 10-12 times in SL with a lancet-like spine on each side which folds into a deep horizontal groove; stomach large, U-shaped, thin-walled with large, thorn-like papillae on inner surface; colour brown with longitudinal blue lines on head and body; a yellow area behind eye and 2 yellow bands extending anteriorly from eye; when alive, this fish is capable of changing its ground colour from dark brown to pale blue (Ref. 9808).

生物学     用語集 (例 epibenthic)

Adults inhabit steep slopes, often in turbid waters, generally in the vicinity of coral reefs (Ref. 58652) or rocky bottoms. They form resident spawning aggregations (Ref. 27825, 48637). Adults often seen in schools, feeding mid-water on plankton (Ref. 48637). Feed on zooplankton. Marketed fresh. Flesh is almost never poisonous (Ref. 4795).

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

Form resident spawning aggregations (Ref. 27825).

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. 119314)

  軽度懸念 (LC) ; Date assessed: 04 May 2010

CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

人間に対する脅威

  Venomous (Ref. 4716)





Human uses

水産業: 商業; 水族館・水槽: 商業
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シガテラ(食中毒の名前)
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インターネットの情報源

Estimates of some properties based on models

Preferred temperature (Ref. 115969): 24.7 - 29, mean 27.9 (based on 1918 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02512 (0.01608 - 0.03923), b=2.94 (2.81 - 3.07), in cm Total Length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
栄養段階 (Ref. 69278):  2.5   ±0.25 se; Based on food items.
回復力 (Ref. 69278):  低い, 4.5年~14年の倍増期間の最小個体群 (K=0.219; tmax=23).
弱み (Ref. 59153):  Moderate vulnerability (39 of 100) .
価格帯 (Ref. 80766):   Medium.