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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.
Environment: milieu / climate zone / εύρος βάθους / distribution range
Οικολογία
Θαλασσινό(ά) Υφαλόφιλο(α); εύρος βάθους 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
Μέγεθος / Βάρος / Age
Γεννητική Ωρίμανση: Lm ? range ? - ? cm
Max length : 60.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 3145); μεγ. αναφερόμενη ηλικία: 45 έτη (Ref. 52229)
Ραχιαίες άκανθες (συνολικά) : 6; Μαλακές ραχιαίες ακτίνες (συνολικά) : 26 - 27; Εδρικές άκανθες: 3; Μαλακές εδρικές ακτίνες: 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.
Life cycle and mating behavior
Γεννητική Ωρίμανση | Αναπαραγωγή | Γεννοβολία | Αβγά | Γονιμότητα | Προνύμφες
Myers, R.F., 1991. Micronesian reef fishes. Second Ed. Coral Graphics, Barrigada, Guam. 298 p. (Ref. 1602)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
αλιεία: περιορισμένης εμπορικότητας; Ενυδρείο: Εμπορικό(ά)
Εργαλεία
Special reports
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Διαδικτυακές πηγές
Estimates based on models
Preferred temperature (Αναφ.
123201): 25.5 - 29, mean 27.6 °C (based on 684 cells).
Phylogenetic diversity index (Αναφ.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.03162 (0.01987 - 0.05034), b=2.96 (2.82 - 3.10), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Τροφικό Επίπεδο (Αναφ.
69278): 2.2 ±0.11 se; based on food items.
Generation time: 4.2 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
Ελαστικότητα (Αναφ.
120179): Πολύ χαμηλό, ελάχιστος χρόνος για διπλασιασμό πληθυσμού > 14 έτη (K=0.264; tmax=45).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (38 of 100).
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Nutrients (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);
