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Naso tonganus (Valenciennes, 1835)

Bulbnose unicornfish
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Naso tonganus   AquaMaps   Data sources: GBIF OBIS
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Image of Naso tonganus (Bulbnose unicornfish)
Naso tonganus
Picture by Randall, J.E.

Classification / Names Noms communs | Synonymes | Catalog of Fishes(Genre, Espèce) | ITIS | CoL | WoRMS | Cloffa

> Acanthuriformes (Surgeonfishes) > Acanthuridae (Surgeonfishes, tangs, unicornfishes) > Nasinae
Etymology: Naso: Latin, nasus = nose (Ref. 45335)tonganus: Named after Tonga, its type locality (Ref. 37792).
More on author: Valenciennes.

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

marin récifal; profondeur 2 - 40 m (Ref. 86942). Tropical

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | Faunafri

Western Indian Ocean: Mauritius, Seychelles and Mozambique (probably wider distribution in this part of the ocean).

Taille / Poids / Âge

Maturity: Lm ?  range ? - ? cm
Max length : 60.0 cm SL mâle / non sexé; (Ref. 37792)

Description synthétique Clés d'identification | Morphologie | Morphométrie

Épines dorsales (Total) : 5; Rayons mous dorsaux (Total) : 27 - 30; Épines anales: 2; Rayons mous anaux: 26 - 28.

Biologie     Glossaire (ex. epibenthic)

Inhabits coral reefs (Ref. 37792). Feeds on leafy or fleshy algae and zooplankton (Ref. 37792). Found singly or in small groups (Ref. 37792).

Life cycle and mating behavior Maturité | Reproduction | Frai | Œufs | Fécondité | Larves

Référence principale Upload your references | Références | Coordinateur : Randall, John E. | Collaborateurs

Randall, J.E., 2001. Surgeonfishes of Hawai'i and the world.. Mutual Publishing and Bishop Museum Press, Hawai'i. 123 p. (Ref. 37792)

Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-1)

  Préoccupation mineure (LC) ; Date assessed: 06 May 2010

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

  Harmless





Utilisations par l'homme

Pêcheries: intérêt commercial mineur
FAO - Publication: search | FishSource |

Plus d'informations

Trophic ecology
Éléments du régime alimentaire
Composition du régime alimentaire
Consommation alimentaire
Food rations
Prédateurs
Ecology
Écologie
Population dynamics
Paramètres de croissance
Max. ages / sizes
Length-weight rel.
Length-length rel.
Fréquences de longueurs
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Recrutement
Abondance
Life cycle
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Maturité
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Fécondité
Frai
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Distribution
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BRUVS - Videos
Anatomy
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Sources Internet

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | FishWatcher | CISTI | Catalog of Fishes: Genre, Espèce | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: génôme, nucléotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Bases de données nationales | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Arbre de Vie | Wikipedia: aller à, chercher | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Preferred temperature (Ref. 123201): 24.5 - 28.9, mean 27.7 °C (based on 706 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02754 (0.01595 - 0.04755), b=2.97 (2.82 - 3.12), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
Niveau trophique (Ref. 69278):  2.0   ±0.00 se; based on food items.
Résilience (Ref. 120179):  Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Moderate to high vulnerability (49 of 100).
Catégorie de prix (Ref. 80766):   Medium.
Nutrients (Ref. 124155):  Calcium = 33.9 [20.0, 65.5] mg/100g; Iron = 0.527 [0.268, 0.925] mg/100g; Protein = 18.6 [17.4, 19.7] %; Omega3 = 0.114 [0.070, 0.214] g/100g; Selenium = 36.4 [18.8, 66.9] μg/100g; VitaminA = 50.9 [14.8, 166.1] μg/100g; Zinc = 1.47 [1.01, 2.13] mg/100g (wet weight);