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Acanthuriformes (Surgeonfishes) >
Acanthuridae (Surgeonfishes, tangs, unicornfishes) > Nasinae
Etymology: Naso: Latin, nasus = nose (Ref. 45335).
Eponymy: Admiral Cornelis Willemsz de Vlamingh (<1678–1735) was a Dutch explorer and naval officer. [...] (Ref. 128868), visit book page.
More on author: Valenciennes.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina revassocierade; djupintervall 1 - 50 m (Ref. 9710), usually 1 - 50 m (Ref. 27115). Tropical; 24°C - 28°C (Ref. 27115); 30°N - 30°S, 30°E - 89°W
Indo-pan-Pacific: East Africa to the Galapagos Is. north to southern Japan, south to the southern Great Barrier Reef and New Caledonia, Tuamotus, throughout Micronesia
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 60.0 cm TL hane/ej könsbestämd; (Ref. 3145); rapporterad maxålder: 45 år (Ref. 52229)
Taggstrålar i ryggfenan (totalt) : 6; Mjukstrålar i ryggfenan (totalt) : 26 - 27; Taggstrålar i analfenan: 3; Mjukstrålar i analfenan: 27 - 29. Adults develop a convexly rounded prominent snout and unusually tall dorsal and anal fins. Side of body with vertical blue lines which break up into small blue spots dorsally and ventrally. A broad blue band extending from eye to front of rostral protuberance (Ref 9808).
Body shape (shape guide): fusiform / normal.
Occurs in deep lagoon and seaward reefs. Found forming loose schools along upper regions of deep drop-offs (Ref. 48637). Forms mid-water aggregations off steep slopes during the day to feed on zooplankton. Usually found alone or in pairs. Omnivorous. Has the ability to show or hide its blue markings (Ref. 9710). Minimum depth reported taken from Ref. 27115.
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Myers, R.F., 1991. Micronesian reef fishes. Second Ed. Coral Graphics, Barrigada, Guam. 298 p. (Ref. 1602)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: mindre kommeriell; Akvarium: Kommersiell
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.03162 (0.01951 - 0.05125), b=2.96 (2.82 - 3.10), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
2.2 ±0.11 se; based on food items. |
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Generation time |
4.2 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies. |
Resiliens (Ref. 120179) |
Mycket låg, lägsta populationsfördubblingstid mer än 14 år (K=0.264; tmax=45). |
Sårbarhet i fisket (Ref. 59153) |
Moderate vulnerability (38 of 100). 🛈 |
Priskategori (Ref. 80766) |
Medium.
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Näringsämnen (Ref. 124155) |
Calcium = 34.7 [21.4, 64.1] mg/100g; Iron = 0.542 [0.278, 0.926] mg/100g; Protein = 18.7 [17.6, 19.8] %; Omega3 = 0.121 [0.078, 0.223] g/100g; Selenium = 38.2 [20.7, 66.3] μg/100g; VitaminA = 47.4 [15.4, 143.7] μg/100g; Zinc = 1.36 [0.95, 1.93] mg/100g (wet weight); |