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) > Nasinae
Etymology: Naso: Latin, nasus = nose (Ref. 45335).
More on author: Forster.
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋 礁区鱼类; 深度上下限 0 - 90 m (Ref. 9710), usually 5 - 30 m (Ref. 37792). 热带; 35°N - 30°S, 105°E - 130°W
East Indian Ocean from Christmas Pacific Ocean: Honshu, Japan south to the Great Barrier Reef and New Caledonia and east to the Hawaiian Islands, French Polynesia, and Pitcairn. Eastern Pacific: Clipperton Island. Once regarded a wide-ranging Indo-Pacific species, the Indian Ocean population is now recognized as a separate species, Naso elegans.
太平洋: 日本本州岛南至大堡礁与新加勒多尼亚而且东至夏威夷群岛，法属玻里尼西亚与皮特凯恩岛。 东太平洋: 克利珀顿岛。 曾经被认为是一个广泛分布印度-太平洋的种, 印度洋族群现在被鉴定为一个个别的种， Naso elegans 。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 46.0 cm SL 雄鱼/尚未辨别雌雄; (Ref. 37792); 最大体重: 2.3 kg (Ref. 125599)
背棘 (总数) : 6; 背的软条 (总数) : 26 - 29; 臀棘: 2; 臀鳍软条: 27 - 30. This species is distinguished by the following characters: D VI (rarely V or VII),26-29(modally 27); A II,27-30 (rarely 27 or 30); pectoral rays usually 17; body depths of adults 2.6-3.0 in SL; head dorsal profile sloping and smoothly convex (forehead no horn nor protuberances); two large peduncular plates, the keels with forward-projecting points in adults; caudal fin emaginate in young and truncate in adults; body brown to bluish gray, ventral half yellowish gray to yellow, the demarcation along middle of side often abrupt and irregular; edge of opercle and preopercle usually with a dark brown band; margin of lower lip broadly white with upper surface of tongue black in adults; gill rakers are blackish basally; blue caudal fin with a broad, brownish yellow, posterior border which narrows toward corners of fin; it is capable of changing overall into light grayish blue, as when at a cleaning station; when in courtship the males quickly display a broad, bluish white zone on the nape and anterior part of the body , followed by narrow bars of the same color that extend onto lower side (Ref. 54980).
背鳍黑色, 黑色的继续在后颈之上作为一个尖的突出, 在柔软部位上的基底与一个宽的外部白色的区域具有一个蓝灰色线; 臀鳍主要橘色; 背鳍与臀鳍有狭窄的蓝色边缘与黑色的靠近边缘的线; 在后部地尾鳍有一条黄色的靠近边缘的条纹。 (参考文献 37792) 尾鳍边缘微凹的，雄性成鱼有来自每个角落的尾丝.(参考文献 37792)
Found in areas of coral, rock, or rubble of lagoon and seaward reefs, Ref. 48637. Benthopelagic (Ref. 58302). Adults usually in small groups. Juveniles in shallow rocky reefs, sometimes in small aggregations mixed with other acanthurids of similar size (Ref. 48637). Feed mainly on leafy brown algae (Sargassum and Dictyota). Sometimes in large aggregations (Ref. 37792). Very seldom poisonous (Ref. 4795). Pair-spawning has been observed.
发现于珊瑚的区域，舄湖与临海礁石的岩石或碎石了, 参考文献 48637. 成鱼通常在小群鱼群。 稚鱼在水浅的岩礁, 有时形成小群鱼群被混和着的相似大小的其他刺尾鱼科.(参考文献 48637) 主要吃叶状的褐色藻类 ( 马尾藻 与 Dictyota) 。 有时较大时群集.(参考文献 37792) 此鱼种是极少有毒的。 (参考文献 4795) 成对产卵已经被观察。
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
Probably spawn in pairs (Ref. 240).太平洋: 日本本州岛南至大堡礁与新加勒多尼亚而且东至夏威夷群岛，法属玻里尼西亚与皮特凯恩岛。 东太平洋: 克利珀顿岛。 曾经被认为是一个广泛分布印度-太平洋的种, 印度洋族群现在被鉴定为一个个别的种， Naso elegans 。
Randall, J.E., G.R. Allen and R.C. Steene, 1990. Fishes of the Great Barrier Reef and Coral Sea. University of Hawaii Press, Honolulu, Hawaii. 506 p. (Ref. 2334)
人类利用
渔业: 低经济; 水族馆: 商业性
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Estimates based on models
Preferred temperature (Ref.
123201): 24.5 - 28.9, mean 27.7 °C (based on 734 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02512 (0.01372 - 0.04599), b=2.97 (2.80 - 3.14), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
营养阶层 (Ref.
69278): 2.3 ±0.19 se; based on food items.
Generation time: 3.1 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
回复力 (Ref.
120179): 中等的, 族群倍增时间最少 1.4 - 4.4年 (K=0.3).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (34 of 100).
Nutrients (Ref.
124155): Calcium = 39.2 [20.9, 64.0] mg/100g; Iron = 0.548 [0.291, 0.982] mg/100g; Protein = 18.3 [17.0, 19.5] %; Omega3 = 0.107 [0.068, 0.183] g/100g; Selenium = 42.6 [22.1, 79.5] μg/100g; VitaminA = 35.3 [8.6, 134.5] μg/100g; Zinc = 1.18 [0.78, 1.74] mg/100g (wet weight);
