分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Acanthuriformes (Surgeonfishes)
鱸形目 (Surgeonfishes) >
Acanthuridae (Surgeonfishes, tangs, unicornfishes)
刺尾鯛科 (Surgeonfishes, tangs, unicornfishes) > Acanthurinae
Etymology: Acanthurus: Greek, akantha = thorn + Greek, oura = tail (Ref. 45335).
More on author: Valenciennes.
Issue
The species Acanthurus nigros Günther 1861 is considered valid in Eschmeyer (CofF ver. Sep. 2011: Ref. 88002) following Randall & Parenti (2011). But could be an unjustified ementation of nigroris. More studies are needed.
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋 礁区鱼类; 深度上下限 1 - 90 m (Ref. 1602). 热带; 30°N - 26°S, 52°E - 137°W
Indo-Pacific: Aldabra and Seychelles to the Hawaiian, Marquesas and Tuamoto Islands; throughout Micronesia.
印度-太平洋: 亚达伯拉与塞锡尔群岛到夏威夷，马贵斯群岛与 Tuamoto 岛; 在密克罗尼西亚各处。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 25.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 2334)
背棘 (总数) : 9; 背的软条 (总数) : 24 - 27; 臀棘: 3; 臀鳍软条: 23 - 25. Color drab dark brown; spots on body located at the rear base of dorsal and anal fins. Black spot at rear base of dorsal fin not large, its greatest width more than 2 times in eye diameter. White posterior margin of caudal fin very narrow, its width less than 4 times in pupil diameter. No definite black margin around groove of peduncular spine. Body depth 1.8 to 2 times in SL. Maximum standard length about 20 cm (Ref 9808).
色彩土褐色的深褐色的; 在身体上的斑点位于了后面的背鳍基底与臀鳍。 在不大又它最大的宽度超过两倍眼直径的后面的背鳍基底的黑色斑点。 尾鳍的白色在后部边缘非常狭窄的, 它的宽度少于 4 倍瞳孔直径。 肉梗棘的凹槽的周围没有明确的黑色边缘。 对两倍 SL 的体高 1.8。 最大的标准长度大约 20 公分 (参考文献 9808).
Inhabits clear lagoon and seaward reefs; often in areas with mixed coral, pavement, rubble and sand substrates (Ref. 1602). Benthopelagic (Ref. 58302). Occurs singly or in small groups (Ref. 9710). Feeds on filamentous algae, diatoms and fine algal film of compacted sand (Ref. 1602). Relatively uncommon throughout Micronesia; rare on Great Barrier Reef.
栖息于清澈的泻湖与临海礁石; 常见于区域中有混合的珊瑚，通道，碎石与沙底部。 (参考文献 1602) 各别地或形成小群鱼群生存。 (参考文献 9710) 吃菌丝藻，硅藻与紧密的沙子的细海藻薄膜。 (参考文献 1602) 相当稀有的在米克罗尼西亚各处; 稀有的在大堡礁上。
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
印度-太平洋: 亚达伯拉与塞锡尔群岛到夏威夷，马贵斯群岛与 Tuamoto 岛; 在密克罗尼西亚各处。
Randall, J.E., 1956. A revision of the surgeonfish genus Acanthurus. Pac. Sci. 10(2):159-235. (Ref. 1920)
人类利用
渔业: 商业性; 水族馆: 商业性
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Estimates based on models
Preferred temperature (Ref.
123201): 24.8 - 28.8, mean 27.4 °C (based on 286 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02344 (0.01103 - 0.04981), b=2.96 (2.79 - 3.13), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 2.0 ±0.00 se; based on food items.
回复力 (Ref.
120179): 高度, 族群倍增时间少于 15个月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (15 of 100).
Nutrients (Ref.
124155): Calcium = 67.7 [27.5, 195.0] mg/100g; Iron = 0.8 [0.3, 2.0] mg/100g; Protein = 18.1 [16.8, 19.3] %; Omega3 = 0.116 [0.054, 0.241] g/100g; Selenium = 20.6 [7.2, 63.2] μg/100g; VitaminA = 43.3 [9.9, 178.5] μg/100g; Zinc = 2.95 [0.94, 5.46] mg/100g (wet weight);
