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Naso hexacanthus (Bleeker, 1855)

Sleek 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 hexacanthus   AquaMaps   Data sources: GBIF OBIS
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Image of Naso hexacanthus (Sleek unicornfish)
Naso hexacanthus
Picture by Randall, J.E.

分類 / Names 共通名の | 類義語 | Catalog of Fishes(部類, ) | ITIS | CoL | WoRMS | Cloffa

> Acanthuriformes (Surgeonfishes) > Acanthuridae (Surgeonfishes, tangs, unicornfishes) > Nasinae
Etymology: Naso: Latin, nasus = nose (Ref. 45335).
More on author: Bleeker.

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

; 汽水性の 関連する礁; 深さの範囲 6 - 150 m (Ref. 30573), usually 10 - 137 m (Ref. 27115). Tropical; 25°C - 28°C (Ref. 27115); 31°N - 32°S, 30°E - 122°W (Ref. 57251)

分布 国々 | 国連食糧農業機関の区域 | エコシステム | 事件 | Point map | 導入 | Faunafri

Indo-Pacific: Red Sea and East Africa (Ref. 9710), including the Mascarene Islands (Ref. 37792) to the Hawaiian, Marquesas and Ducie islands, north to southern Japan, south to Lord Howe Island.

Length at first maturity / サイズ / 重さ / 年齢

Maturity: Lm 45.0  range ? - ? cm
Max length : 75.0 cm FL オス/雌雄の選別がない; (Ref. 1602); common length : 50.0 cm TL オス/雌雄の選別がない; (Ref. 30573)

簡単な記述 形態学 | 形態計測学

背面の脊椎 (合計): 6; 背鰭 (合計): 26-29; 肛門の骨 2; 臀鰭: 27 - 30. This species is distinguished by the following characters: body moderately deep and compressed, its depth 2.6 to 3.2 times in standard length (SL); dorsal profile of body uniformly convex, without any bony horn-like projection or protuberance anteriorly on head; mouth small; incisiform teeth very small, somewhat pointed, finely serrate on edges, as many as 80 in upper jaw and 100 in lower jaw of large adults; continuous unnotched D VI (rarely V or VII),26-29; A II,27-30; pectoral-fin rays 17-18 (usually 17); pelvic fins I,3; caudal fin slightly emarginate in young, becoming truncate in adults; caudal peduncle slender, subcylindrical, with a pair of bony plates on each side that develop large sharp antrorse keels with age; body colour dark brownish grey, shading ventrally to yellowish (life colour may vary from dark brown to light blue-grey); edge of operculum and preopercle usually dark brown; dorsal and anal fins yellowish with faint diagonal brown bands and a blue margin; tongue black at lengths of 25 cm or more (Ref. 9808).

生物学     用語集 (例 epibenthic)

Inhabits clear lagoon and seaward reef slopes (Ref. 9710, 48637). Benthopelagic (Ref. 58302). Usually seen in large schools (Ref. 90102). Mainly diurnal, it feeds on zooplankton such as crab larvae, arrow worms, pelagic tunicates, and occasionally filamentous red algae. The species is never poisonous (Ref. 4795).

Life cycle and mating behavior 成熟 | 繁殖 | 放精 | | 生産力 | 幼生

Spawn in pairs (Ref. 240).

主な参考文献 Upload your references | 参考文献 | コーディネーター : Randall, John E. | 協力者

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

IUCNのレッドリストの状況は (Ref. 125652)

  軽度懸念 (LC) ; Date assessed: 06 May 2010

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

人間に対する脅威

  Harmless (Ref. 4887)





Human uses

水産業: 商業; ゲームフィッシュ: はい; 水族館・水槽: 商業
FAO - Publication: search | FishSource | 私達の周りの海

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シガテラ(食中毒の名前)
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Otoliths

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Estimates based on models

Preferred temperature (Ref. 123201): 22.1 - 28.9, mean 27.5 °C (based on 2224 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02188 (0.01344 - 0.03562), b=2.98 (2.84 - 3.12), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
栄養段階 (Ref. 69278):  3.1   ±0.33 se; based on food items.
Generation time: 5.0 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies.
回復力 (Ref. 120179):  低い, 4.5年~14年の倍増期間の最小個体群 (tm=7; K=0.221; Tmax=44;).
Fishing Vulnerability (Ref. 59153):  Moderate vulnerability (42 of 100).
価格帯 (Ref. 80766):   Medium.
Nutrients (Ref. 124155):  Calcium = 32.6 [15.2, 68.5] mg/100g ; Iron = 0.763 [0.395, 1.467] mg/100g ; Protein = 17.9 [16.8, 19.0] % ; Omega3 = 0.271 [0.125, 0.590] g/100g ; Selenium = 39.2 [16.7, 85.5] μg/100g ; VitaminA = 76.4 [21.4, 272.5] μg/100g ; Zinc = 1.22 [0.74, 1.99] mg/100g (wet weight);