Acanthurus pyroferus, Chocolate surgeonfish : fisheries, aquarium

Acanthurus pyroferus Kittlitz, 1834

Chocolate surgeonfish
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Acanthurus pyroferus   AquaMaps   Data sources: GBIF OBIS
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Acanthurus pyroferus
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).

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

; 海 関連する礁; 深さの範囲 4 - 60 m (Ref. 1602), usually 5 - 40 m (Ref. 27115).   Tropical; 32°N - 24°S, 55°E - 138°W

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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)

簡単な記述 形態学 | 形態計測学

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.

生物学     用語集 (例 epibenthic)

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).

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., 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. 123251)

  軽度懸念 (LC) ; Date assessed: 04 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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インターネットの情報源

Estimates based on models

Preferred temperature (Ref. 115969): 25 - 28.8, mean 27.6 °C (based on 558 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02344 (0.01113 - 0.04936), 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 (Ref. 69278):  2.0   ±0.00 se; based on food items.
Generation time: 2.6 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies.
回復力 (Ref. 120179):  手段, 1.4年~4.4年の倍増期間の最小個体群 (K=0.422; Tmax=28).
弱み (Ref. 59153):  Low to moderate vulnerability (29 of 100) .
価格帯 (Ref. 80766):   Medium.
Nutrients (Ref. 124155):  Calcium = 66.8 [21.4, 156.8] mg/100g ; Iron = 0.864 [0.338, 2.143] mg/100g ; Protein = 18.5 [17.3, 19.6] % ; Omega3 = 0.113 [0.055, 0.234] g/100g ; Selenium = 18.4 [6.6, 52.1] μg/100g ; VitaminA = 29.4 [7.5, 109.6] μg/100g ; Zinc = 2.57 [0.81, 4.92] mg/100g (wet weight);