Naso brevirostris, Spotted unicornfish : fisheries, aquarium

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Naso brevirostris (Cuvier, 1829)

Spotted unicornfish
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Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Naso brevirostris   AquaMaps   Data sources: GBIF OBIS
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分類 / Names 俗名 | 同種異名 | Catalog of Fishes(, ) | ITIS | CoL | WoRMS | Cloffa

Actinopteri > 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).
More on author: Cuvier.

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

; 海洋 礁區魚類; 深度上下限 2 - 122 m (Ref. 58302), usually 4 - 46 m (Ref. 27115). 熱帶; 24°C - 28°C (Ref. 27115); 29°N - 36°S, 26°E - 137°W (Ref. 57250)

分布 國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 簡介 | Faunafri

Indo-Pacific: Red Sea and East Africa to the Hawaiian, Marquesas and Ducie islands, north to southern Japan, south to Lord Howe Island (Ref. 1602); exxcluding Oman and Persian Gulf (Ref. 86689). Eastern Central Pacific: Galápagos Islands.
印度-太平洋: 紅海而且東非到夏威夷, 馬貴斯群島與迪西島, 北至日本南部, 南至羅得豪島。

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 60.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 9808)

簡短描述 型態特徵 | 形態測量圖

背棘 (總數): 6; 背的軟條 (總數): 27-29; 臀棘 2; 臀鰭軟條: 27 - 30. This species is distinguished by the following characters: body moderately deep and compressed, its depth 2.6 to 3 times in standard length (SL) (reported greatest depth of body in subadults at 2.3 in SL, Ref. 90102); dorsal profile of body uniformly convex; adults with a median, broad-based, tapering, horn-like projection extending directly anteriorly from snout at level of lower part of eye to more than 1/2 head length in front of mouth (first developing as a bump on forehead of young of about 10 cm SL; dorsal profile of snout from upper lip to base of horn very short, curved, and nearly vertical; mouth small; teeth small, spatulate, with denticulate edges, about 50 in each jaw; a continuous unnotched D VI,27-29; A II,27-30; pectoral-fin rays 15-17; pelvic fins I,3; caudal fin slightly rounded, without a filament from each corner; 2 bony plates on each side of caudal peduncle, developing moderate keels with age; colour of body olivaceous grey-brown to light grey, usually with vertical dark brown lines on body which break into small spots dorsally and ventrally; some individuals only with small dark spots; head with small dark brown spots or short irregular lines which become long and oblique on horn (dark markings on one pale phase may be faint or absent; in another phase the anterior third of the body may be distinctly paler than the rest); caudal fin whitish with a large diffuse dark blotch centrobasally in fin (Ref. 9808).
成魚藍灰色的到橄欖褐色的顏色, 通常灰白的前面地與在頰與咽喉上; 在身體側邊上的短的不規則的線; 在觸角上的對角線; 唇邊緣藍色.(參考文獻 3145) 亞成魚在頭部與身體上有深色的斑點。 (參考文獻 3145) 稚魚缺乏成魚的突出觸角。 (參考文獻 1602)

生物學特性     字彙 (例如 epibenthic)

Inhabit mid-waters along steep outer lagoon and seaward reef drop-offs. Also found along rocky shores (Ref. 30573, 48637). Benthopelagic (Ref. 58302). Usually in small groups but form large schools in oceanic locations or on reefs subject to strong currents (Ref. 48637). Juveniles and subadults feed on benthic algae; adults feed on zooplankton. Pair spawning has been observed. Caught with nets (Ref. 30573).

棲息於中層水域沿著陡峭的潟湖外部與臨海礁石海峭壁。 也發現沿著岩岸。 (參考文獻 30573) 稚魚與亞成魚吃底部藻類; 成魚吃浮游動物。 成對產卵已經被觀察。 用網捕獲了。 (參考文獻 30573) 最小深度範圍取自了參考文獻 30874.

Life cycle and mating behavior 成熟度 | 繁殖 | 產卵場 | | 孕卵數 | 仔魚

Probably spawn in pairs (Ref. 240).印度-太平洋: 紅海而且東非到夏威夷, 馬貴斯群島與迪西島, 北至日本南部, 南至羅得豪島。

主要參考資料 Upload your references | 參考文獻 | 合作者 : Randall, John E. | 合作者

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

IUCN 瀕危狀態 (Ref. 125652)

  無危 (LC) ; Date assessed: 04 May 2010

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

對人類具威脅

  有雪卡魚毒中毒的報導 (Ref. 30298)





人類使用

漁業: 商業性; 水族館: 商業性
FAO - Publication: search | FishSource | 周邊海洋

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Estimates based on models

Preferred temperature (Ref. 115969): 24.3 - 29, mean 27.8 °C (based on 1558 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01950 (0.01236 - 0.03076), b=3.01 (2.88 - 3.14), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
營養階層 (Ref. 69278):  2.2   ±0.15 se; based on food items.
Generation time: 2.7 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies.
回復力 (Ref. 120179):  中等的, 族群倍增時間最少 1.4 - 4.4年 (K=0.402; Tmax=25).
Fishing Vulnerability (Ref. 59153):  Low to moderate vulnerability (33 of 100) .
Climate Vulnerability (Ref. 125649):   (0 of 100) .
價格種類 (Ref. 80766):   Medium.
Nutrients (Ref. 124155):  Calcium = 36.2 [19.8, 65.2] mg/100g ; Iron = 0.649 [0.370, 1.048] mg/100g ; Protein = 19.1 [18.1, 20.1] % ; Omega3 = 0.117 [0.077, 0.196] g/100g ; Selenium = 43.6 [24.3, 81.6] μg/100g ; VitaminA = 22.1 [7.5, 65.0] μg/100g ; Zinc = 1.27 [0.78, 1.86] mg/100g (wet weight);