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> Acanthuriformes (Surgeonfishes) > Acanthuridae (Surgeonfishes, tangs, unicornfishes) > Nasinae
Etymology: Naso: Latin, nasus = nose (Ref. 45335); caesius: Naso caesius is in reference to its most common ground color which is bluish grey..
More on authors: Randall & Bell.

Environment: milieu / climate zone / depth range / distribution range Ecologie

marien rifbewoner; diepte 15 - 50 m (Ref. 90102). Tropical

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Pacific Ocean: Northern Marianas, Marshall Islands, Hawaiian Islands, Pitcairn group, Society Islands (French Polynesia), Australia and New Caledonia.

Grootte / Gewicht / Leeftijd

Maturity: L_m ? range ? - ? cm
Max length : 45.6 cm SL mannelijk / geslacht onbekend; (Ref. 9944)

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Dorsale stekels (totaal) : 6 - 7; Dorsale zachte stralen (totaal) : 27 - 30; Anale stekels: 2; Anale zachte stralen: 28 - 31. Bluish grey to grey-brown, capable of displaying a colour pattern of vertically elongate blotches (lighter or darker than ground colour) on side and upper part of body. Opercular and preopercular margins not dark brown. Caudal fin uniform in colour. Gill rakers on lower limb of gill arches entirely pale. Edge of lower lip not white (Ref 9808).

Benthopelagic over coral and rock (Ref. 58302). Occurs singly or in aggregations along clear seaward and outer lagoon reefs and channels (Ref. 37816). Feeds in midwater on zooplankton (Ref. 90102).

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Hoofdreferentie Upload your references | Referenties | Coördinator : Randall, John E. | Medewerkers

Randall, J.E. and L.J. Bell, 1992. Naso caesius, a new acanthurid fish from the Central Pacific. Pac. Sci. 46(3):344-352. (Ref. 9944)

Status op de Rode Lijst van het IUCN (Ref. 130435)

Niet bedreigd (LC) ; Date assessed: 06 May 2010

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

Harmless

Gebruik door de mens

Visserij: commercieel

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Estimates based on models

Preferred temperature (Ref. 123201): 24.7 - 28.8, mean 26.5 °C (based on 82 cells).

Fylogenetische diversiteitsindex (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01995 (0.00906 - 0.04395), b=3.00 (2.82 - 3.18), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).

Trofisch niveau (Ref. 69278): 2.3 ±0.1 se; based on size and trophs of closest relatives

Weerstandsvermogen (Ref. 120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Moderate vulnerability (42 of 100).

Prijsklasse (Ref. 80766): Medium.

Nutrients (Ref. 124155): Calcium = 40.2 [24.4, 76.9] mg/100g; Iron = 0.566 [0.291, 0.972] mg/100g; Protein = 18.6 [17.4, 19.7] %; Omega3 = 0.123 [0.078, 0.227] g/100g; Selenium = 35.6 [18.7, 63.5] μg/100g; VitaminA = 56.6 [17.3, 183.1] μg/100g; Zinc = 1.54 [1.05, 2.21] mg/100g (wet weight);

Naso caesius Randall & Bell, 1992