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Naso tonganus (Valenciennes, 1835)
HUMPNOSE UNICORNFISH
Bluntnose Unicornfish; Bulbnose Unicornfish; Hump-head Unicornfish; Hump-headed Unicorn-fish; Hump-nose Unicorn; Humphead Unicornfish; Acanthurus tuberosus Lacépède, 1801; Cyphomycter tuberosus Lacépède, 1801; Naso tuberosus Lacépède, 1801; Naseus tonganus Valenciennes, 1835

Life   Vertebrata   Fish   Acanthuridae   Naso


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Following modified from Australian Faunal Directory
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http://www.fishbase.org/Summary/speciesSummary.php?genusname=Naso&speciesname=tonganus ---> http://52.67.158.155/Summary/speciesSummary.php?genusname=Naso&speciesname=tonganus
http://52.67.158.155/Summary/speciesSummary.php?genusname=Naso&speciesname=tonganus ---> https://fishbase.net.br/Summary/speciesSummary.php?genusname=Naso&speciesname=tonganus
https://fishbase.net.br/Summary/speciesSummary.php?genusname=Naso&speciesname=tonganus ---> https://fishbase.net.br/summary/Naso-tonganus.html
Naso tonganus, Bulbnose unicornfish : fisheries
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Common name (e.g. trout)

Genus + Species (e.g. Gadus morhua)

Naso tonganus ( Valenciennes , 1835 )

Bulbnose unicornfish Add your observation in Fish Watcher
Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Naso tonganus   AquaMaps   Data sources: GBIF OBIS
Upload your photos  and  videos
Pictures | Videos | Google image Image of Naso tonganus (Bulbnose unicornfish) Naso tonganus
Picture by Randall, J.E.

Classification / Names Common names | Synonyms | Catalog of Fishes( genus , species ) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > 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 Ecology

Marine; reef-associated; depth range 2 - 40 m (Ref. 86942 ). Tropical

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

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

Size / Weight / Age

Maturity: L m   ?   range ? - ? cm
Max length : 60.0 cm SL male/unsexed; (Ref. 37792 )

Short description Morphology | Morphometrics

Dorsal spines (total): 5; Dorsal soft rays (total): 27-30; Anal spines : 2; Anal soft rays : 26 - 28.

Biology     Glossary (e.g. 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 Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator : Randall, John E. | Collaborators

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

IUCN Red List Status (Ref. 130435 )

  Least Concern (LC)  ; Date assessed: 06 May 2010

CITES

Not Evaluated

CMS (Ref. 116361 )

Not Evaluated

Threat to humans

  Harmless





Human uses

Fisheries: minor commercial FAO - Publication: search | FishSource |

More information

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Tools

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Special reports

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Summary page | Point data | Common names | Photos

Internet sources

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes : genus , species | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome , nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | National databases | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Go , Search | 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 ):  PD 50 = 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 ). Trophic level (Ref. 69278 ):  2.0   ±0.00 se; based on food items. Resilience (Ref. 120179 ):  Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.). Fishing Vulnerability (Ref. 59153 ):  Moderate to high vulnerability (49 of 100). Price category (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);

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Updated: 2024-04-24 12:17:24 gmt
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