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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.
Environment: milieu / climate zone / depth range / distribution range
Ekologi
marina revassocierade; djupintervall 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.
Size / Vikt / Age
Maturity: Lm ? range ? - ? cm
Max length : 80.0 cm FL hane/ej könsbestämd; (Ref. 9710)
Taggstrålar i ryggfenan (totalt) : 5; Mjukstrålar i ryggfenan (totalt) : 24 - 26; Taggstrålar i analfenan: 2; Mjukstrålar i analfenan: 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).
An uncommon species found in coral and rocky reefs (Ref. 9710). Solitary or in small groups (Ref. 90102).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
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)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
Fiskeri: kommersiell
Verktyg
Special reports
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Estimates based on models
Preferred temperature (Ref.
123201): 24.5 - 28.8, mean 27.5 °C (based on 516 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02089 (0.00974 - 0.04480), b=2.96 (2.78 - 3.14), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 2.2 ±0.1 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Låg, lägsta populationsfördubblingstid 4,5-14 år (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): High vulnerability (56 of 100).
Nutrients (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);
