Acanthurus nigricans, Whitecheek surgeonfish : fisheries, aquarium

Acanthurus nigricans (Linnaeus 1758)

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

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

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

; 海 関連する礁; 深さの範囲 1 - 67 m (Ref. 1602), usually 2 - 67 m (Ref. 27115).   Tropical; 21°C - 29°C (Ref. 27115); 30°N - 24°S

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Eastern Indian Ocean: known only from Cocos-Keeling Islands and Christmas Island. Pacific Ocean: Ryukyu Islands and Great Barrier Reef to the Hawaiian Islands and French Polynesia (excluding Rapa). This species has crossed the Eastern Pacific Barrier to the Revillagigedo Islands, Cocos Island, Galapagos Islands, and the coast of Mexico.

サイズ / 重さ / 年齢

Maturity: Lm ?  range ? - ? cm
Max length : 21.3 cm TL オス/雌雄の選別がない; (Ref. 2334); 最大記録サイズ: 34 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): 28-31; 肛門の骨 3; 臀鰭: 26 - 28. A horizontally elongate white blotch directly below eye. No orange band in outer part of dorsal fin. Caudal peduncle black except for yellow edge of socket and sheath of peduncular spine. Base of pectoral fin black (ref 9808).Gill rakers on anterior row:17-19, on posterior row:18-20.

生物学     用語集 (例 epibenthic)

Adults inhabit hard substrate areas of clear lagoon and seaward reefs from the lower surge zone to at least 67 m and feeds on filamentous algae. Solitary or in groups (Ref. 90102). Monogamous (Ref. 52884, 48637). Benthopelagic (Ref. 58302). Small juveniles shy among large corals (Ref. 48637). Territorial species. Common throughout Micronesia and hybridizes with the rare A. achilles. Size of metamorphosis from the postlarva stage to juvenile is 5.5 to 6 cm (Ref. 9267).

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

Monogamous mating is observed as both facultative and social (Ref. 52884).

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

Myers, R.F., 1991. Micronesian reef fishes. Second Ed. Coral Graphics, Barrigada, Guam. 298 p. (Ref. 1602)

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: 食糧水産; 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): 24.5 - 28.8, mean 27.4 °C (based on 650 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02630 (0.01517 - 0.04562), b=2.93 (2.78 - 3.08), 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: 3.9 ( na - na) years. Estimated as median ln(3)/K based on 2 growth studies.
回復力 (Ref. 120179):  非常に低い, 14年以上の倍増期間の最小個体群 (K=0.28; tmax=34).
弱み (Ref. 59153):  Low vulnerability (20 of 100) .
価格帯 (Ref. 80766):   Medium.