Guam country information

Common names: Humpnose unicornfish
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments:
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/gq.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Myers, R.F., 1999
National Database:

Common names from other countries

Humpnose unicornfish, Picot à deux couteaux, Ume-uluto'i, ... more

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: L_m ? 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.

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 Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | 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)

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

CITES (Ref. 128078)

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
Diet compositions
Food consumptions
Food rations
Prédateurs

Ecology
Écologie
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Population dynamics
Growths
Max. ages / sizes
Length-weight rel.
Length-length rel.
Fréquences de longueurs
Mass conversions
Recruitments
Abundances

Life cycle
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Egg(s)
Egg developments
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Dynamique des populations larvaires

Distribution
Pays
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BRUVS - Videos

Anatomy
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Physiology
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Nutrients
Oxygen consumptions
Type de nage
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Toxicities (LC50s)

Genetics
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Human related
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Profils d'aquaculture
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Ciguatera cases
Stamps, coins, misc.

Outreach
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Taxonomy
Noms communs
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References
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Maintenance en aquarium | Articles sur l'espèce | Rapports d'aquaculture

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Page de résumé | Coordonnées géographiques | Noms communs | Photos

Sources Internet

Estimates based on models

Preferred temperature (Ref. 115969): 24.5 - 28.9, mean 27.7 (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=0.02512 (0.01442 - 0.04376), b=3.00 (2.85 - 3.15), 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.

Naso tonganus (Valenciennes, 1835)