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) > Nasinae
Etymology: Naso: Latin, nasus = nose (Ref. 45335); elegans: From the Latin for choice, fine, or nice (Ref. 37792).
More on author: Rüppell.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 礁區魚類; 深度上下限 5 - 30 m (Ref. 90102). 熱帶; 30°N - 35°S, 30°E - 118°E (Ref. 37792)
Indian Ocean: Red Sea south to Durban, South Africa and east through the islands of the western Indian Ocean to southwestern Indonesia, at least to Bali.
印度洋: 紅海南至南非的德爾班而且向東經過西印度洋的島嶼到西南方的印尼 , 至少到巴里島。 不記錄自阿曼灣，波斯灣或印度。 先前被認為是 黑背鼻魚〔Naso lituratus〕 的印度洋彩色變種。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 45.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 37792); common length : 35.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 30573)
背棘 (總數) : 6; 背的軟條 (總數) : 26 - 30; 臀棘: 2; 臀鰭軟條: 27 - 30. Dorsal fin yellow with a blue line at base and a black band above this; anal and pelvic fins dark brown; dorsal and anal fins with a narrow blue margin and black submarginal line; caudal fin yellowish with black upper and lower margins and a submarginal black band posteriorly (Ref. 37792). Caudal fin emarginate with adult males having trailing filaments from each corner (Ref. 37792).
背鰭在基底與一個黑色的條紋在此之上黃色的有一條藍色的線; 臀鰭與腹鰭鰭深褐色的; 背鰭與臀鰭有狹窄的藍色邊緣與黑色的靠近邊緣的線; 尾鰭淡黃色的在後部地有黑色的上、下邊緣與一條靠近邊緣的黑色條紋.(參考文獻 37792) 尾鰭邊緣微凹的，雄性成魚有來自每個角落的尾絲.(參考文獻 37792)
Inhabits coastal and sheltered reef flats in small groups and schools in oceanic locations (Ref. 48637). Also found in rocky bottoms in about 5-30 m (Ref. 90102). Feeds on benthic algae (Ref. 37792).
吃水底的藻類。 (參考文獻 37792)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
印度洋: 紅海南至南非的德爾班而且向東經過西印度洋的島嶼到西南方的印尼 , 至少到巴里島。 不記錄自阿曼灣，波斯灣或印度。 先前被認為是 黑背鼻魚〔Naso lituratus〕 的印度洋彩色變種。
Randall, J.E., 2001. Surgeonfishes of Hawai'i and the world.. Mutual Publishing and Bishop Museum Press, Hawai'i. 123 p. (Ref. 37792)
人類使用
漁業: 商業性
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Estimates based on models
Preferred temperature (Ref.
123201): 24.8 - 28.7, mean 27.1 °C (based on 172 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02291 (0.00950 - 0.05523), b=2.97 (2.76 - 3.18), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 2.0 ±0.00 se; based on food items.
回復力 (Ref.
120179): 中等的, 族群倍增時間最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (42 of 100).
Nutrients (Ref.
124155): Calcium = 41.6 [21.5, 68.7] mg/100g; Iron = 0.541 [0.290, 0.972] mg/100g; Protein = 18.2 [16.9, 19.4] %; Omega3 = 0.0915 [, ] g/100g; Selenium = 33.6 [17.0, 66.5] μg/100g; VitaminA = 38.8 [8.8, 158.6] μg/100g; Zinc = 1.34 [0.88, 2.05] mg/100g (wet weight);
