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Acanthuriformes (Surgeonfishes) >
Acanthuridae (Surgeonfishes, tangs, unicornfishes) > Nasinae
Etymology: Naso: Latin, nasus = nose (Ref. 45335).
Eponymy: Captain R W Fagen. We can say no more about him than is contained in James Morrow’s (q.v.) etymology, which states the fish is named after: “…Captain R W Fagen of Miami, Florida, friend and guide on several ichthyological expeditions”. (Ref. 128868), visit book page.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin récifal; profondeur 3 - 35 m (Ref. 9710). Tropical
Indo-West Pacific: Kenya south to Bazaruto Islands (Mozambique), Aldabra and Seychelles, and east to the Philippines (Ref. 3145). Reported from southern Japan (Ref. 9710) and Indonesia.
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 80.0 cm FL mâle / non sexé; (Ref. 9710)
Épines dorsales (Total) : 5; Rayons mous dorsaux (Total) : 24 - 26; Épines anales: 2; Rayons mous anaux: 23 - 25. Olivaceous grey in color; adults with small dusky spots and large specimens with a short protuberance above upper lip (Ref. 3145). Body ovate and compressed (Ref. 37429).
Body shape (shape guide): fusiform / normal; Cross section: compressed.
An uncommon species found in coral and rocky reefs (Ref. 9710). Solitary or in small groups (Ref. 90102).
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Randall, J.E., 1986. Acanthuridae. p. 811-823. In M.M. Smith and P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlin. (Ref. 3145)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: commercial
Outils
Articles particuliers
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Sources Internet
Estimations basées sur des modèles
Température préférée (Réf.
123201): 24.5 - 28.8, mean 27.5 °C (based on 516 cells).
Indice de diversité phylogénétique (Réf.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02089 (0.00948 - 0.04603), b=2.95 (2.77 - 3.13), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Niveau trophique (Réf.
69278): 2.2 ±0.1 se; based on size and trophs of closest relatives
Résilience (Réf.
120179): Faible, temps minimum de doublement de population : 4,5 à 14 années (Preliminary K or Fecundity.).
Vulnérabilité de la pêche (Ref.
59153): High vulnerability (56 of 100).
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Nutriments (Ref.
124155): Calcium = 28.8 [16.8, 56.2] mg/100g; Iron = 0.501 [0.251, 0.878] mg/100g; Protein = 18.7 [17.4, 19.8] %; Omega3 = 0.107 [0.064, 0.205] g/100g; Selenium = 38.2 [19.6, 72.1] μg/100g; VitaminA = 43.6 [12.3, 143.3] μg/100g; Zinc = 1.36 [0.93, 1.98] mg/100g (wet weight);