分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Acanthuriformes (Surgeonfishes)
鱸形目 (Surgeonfishes) >
Acanthuridae (Surgeonfishes, tangs, unicornfishes)
刺尾魚科 (Surgeonfishes, tangs, unicornfishes) > Acanthurinae
Etymology: Acanthurus: Greek, akantha = thorn + Greek, oura = tail (Ref. 45335).
Eponymy: Achilles was the mythical Greek hero of the Trojan War. His only vulnerable spot was his heel (hence ‘Achilles’ heel’). The tang has a (roughly) heel-like mark on its body. (Ref. 128868), visit book page.
More on author: Shaw.
Issue
Distribution to be checked.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 礁區魚類; 深度上下限 0 - 10 m (Ref. 27115), usually 0 - 4 m (Ref. 9710). 熱帶; 28°N - 26°S, 143°E - 109°W
Western Pacific: oceanic islands of Oceania to the Hawaiian and Pitcairn islands. Also known from Wake, Marcus, and Mariana islands. Eastern Central Pacific: southern tip of Baja California, Mexico (Ref. 9267) and other offshore islands.
太平洋: 加羅林群島西部與 Torres 海峽到夏威夷，馬貴斯群島與迪西島, 南至新加勒多尼亞; 馬里亞納群島與密克羅尼西亞的馬紹爾群島。 中太平洋東部: 下加利福尼亞的最南端，墨西哥.(參考文獻 9267)
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 24.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 9710)
背棘 (總數) : 9; 背的軟條 (總數) : 29 - 33; 臀棘: 3; 臀鰭軟條: 26 - 29. Dark brown, nearly black in color. Erectile spine (sharp and forward-pointing) on each side of caudal peduncle which folds down into a groove. Mouth small, snout noticeably extended. Light blue ring around chin and presence of spot of same color on gill cover at angle of gill opening. Dorsal fin with soft part having longer base than spinous part. Juveniles lack the large orange spot on caudal area.
深褐色的, 幾乎黑色。 在進入一個凹槽之內摺疊下來的尾柄的每個側邊上的直立的硬棘 (銳利的而且朝向前面的)。 嘴小的, 吻顯著地延伸。 下巴的周圍淺藍色環而且在鰓蓋上有相同顏色的斑點在突出部位上鰓裂。 背鰭有軟棘的部位超過硬棘的部分有較長的基底。 稚魚在尾部的區域上缺乏大的橘色斑點。
Occurs in clear seaward reefs, usually in groups (Ref. 9710). Benthopelagic (Ref. 58302). Feeds on filamentous and small fleshy algae (Ref. 9267). Monogamous (Ref. 52884). Spine in caudal peduncle may be venomous. Size of metamorphosis from postlarva stage to juvenile is 6 cm (Ref. 9267). This species sometimes hybridizes with A. nigricans (Ref. 9808).
出現於清澈的臨海礁石, 通常成群.(參考文獻 9710) 吃絲狀而小的肉質多的藻類。 (參考文獻 9267) 一夫一妻的.(參考文獻 52884) 在尾柄的棘可能是有毒的。 來自後期仔魚階段到稚魚的銳變的大小是 6 公分。 (參考文獻 9267) 這種有時與 A. nigricans 雜交。 (參考文獻 9808)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Monogamous mating is observed as both facultative and social (Ref. 52884).太平洋: 加羅林群島西部與 Torres 海峽到夏威夷，馬貴斯群島與迪西島, 南至新加勒多尼亞; 馬里亞納群島與密克羅尼西亞的馬紹爾群島。 中太平洋東部: 下加利福尼亞的最南端，墨西哥.(參考文獻 9267)
Randall, J.E., 1956. A revision of the surgeonfish genus Acanthurus. Pac. Sci. 10(2):159-235. (Ref. 1920)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-1)
無危 (LC) ; Date assessed: 03 May 2010
人類使用
漁業: 商業性; 水族館: 商業性
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Estimates based on models
Preferred temperature (Ref.
123201): 25.8 - 28.3, mean 27.4 °C (based on 404 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).
營養階層 (Ref.
69278): 2.0 ±0.00 se; based on food items.
回復力 (Ref.
120179): 高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (14 of 100).
Nutrients (Ref.
124155): Calcium = 77.7 [33.7, 236.7] mg/100g; Iron = 0.837 [0.317, 2.103] mg/100g; Protein = 18.2 [16.9, 19.4] %; Omega3 = 0.0938 [, ] g/100g; Selenium = 13 [4, 39] μg/100g; VitaminA = 45.8 [10.8, 181.2] μg/100g; Zinc = 3.17 [0.99, 6.04] mg/100g (wet weight);
