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Naso brachycentron (Valenciennes, 1835)
HUMPBACK UNICORNFISH
Humpback Unicorn; Naseus brachycentron Valenciennes, 1835

Life   Vertebrata   Fish   Acanthuridae   Naso


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http://www.fishbase.org/Summary/speciesSummary.php?genusname=Naso&speciesname=brachycentron ---> http://192.134.151.83/Summary/speciesSummary.php?genusname=Naso&speciesname=brachycentron
http://192.134.151.83/Summary/speciesSummary.php?genusname=Naso&speciesname=brachycentron ---> https://fishbase.mnhn.fr/Summary/speciesSummary.php?genusname=Naso&speciesname=brachycentron
https://fishbase.mnhn.fr/Summary/speciesSummary.php?genusname=Naso&speciesname=brachycentron ---> https://fishbase.mnhn.fr/summary/Naso-brachycentron.html
Naso brachycentron, Humpback unicornfish : aquarium
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Common name (e.g. trout)

Genus + Species (e.g. Gadus morhua)

Naso brachycentron ( Valenciennes , 1835 )

Humpback 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 brachycentron   AquaMaps   Data sources: GBIF OBIS
Upload your photos  and  videos
Pictures | Videos | Google image Image of Naso brachycentron (Humpback unicornfish) Naso brachycentron
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 ) .
More on author: Valenciennes .

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

Marine; reef-associated; depth range 8 - 30 m (Ref. 90102 ), usually 15 - 20 m (Ref. 48637 ). Tropical; 25°C - 28°C (Ref. 27115 ); 33°N - 25°S

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

Indo-Pacific: East Africa to the Marquesan and Society islands, north to the Ryukyu Islands, south to Vanuatu.

Size / Weight / Age

Maturity: L m   ?   range ? - ? cm
Max length : 90.0 cm FL male/unsexed; (Ref. 1602 )

Short description Morphology | Morphometrics

Dorsal spines (total): 4 - 5; Dorsal soft rays (total): 28-30; Anal spines : 2; Anal soft rays : 27 - 28. Distinctive humped back; horn only in adult males. A few scattered small dark-edged pale spots on postorbital head and body above pectoral fins. No white margin posteriorly on caudal fin. Profile of snout from mouth to eye strongly sloping, forming an angle of about 40° to horizontal axis of body (Ref 9808).

Biology     Glossary (e.g. epibenthic)

Inhabits deep coastal, usually in small groups but occasionally in large schools (Ref. 48637 ). Sometimes solitary (Ref. 90102 ). An uncommon species found in seaward reef slopes (Ref. 9710 , 48637 ), also along rocky shores (Ref. 30573 ). Feeds on benthic algae (Ref. 30573 ). Caught with nets (Ref. 30573 ).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Spawn in pairs (Ref. 240 ).

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

Myers, R.F. , 1991. Micronesian reef fishes. Second Ed. Coral Graphics, Barrigada, Guam. 298 p. (Ref. 1602 )

IUCN Red List Status (Ref. 130435 )

  Least Concern (LC)  ; Date assessed: 04 May 2010

CITES

Not Evaluated

CMS (Ref. 116361 )

Not Evaluated

Threat to humans

  Harmless





Human uses

Aquarium: commercial FAO - Publication: search | FishSource | Sea Around Us

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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 | Public aquariums | 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 ): 25.7 - 29, mean 28.1 °C (based on 218 cells). Phylogenetic diversity index (Ref. 82804 ):  PD 50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high]. Bayesian length-weight: a=0.01995 (0.00906 - 0.04395), b=3.00 (2.82 - 3.18), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245 ). Trophic level (Ref. 69278 ):  2.7   ±0.29 se; based on food items. Resilience (Ref. 120179 ):  Low, minimum population doubling time 4.5 - 14 years (K=0.429; tmax=31). Fishing Vulnerability (Ref. 59153 ):  High vulnerability (60 of 100). Nutrients (Ref. 124155 ):  Calcium = 23.1 [13.7, 44.2] mg/100g; Iron = 0.437 [0.219, 0.804] mg/100g; Protein = 18.8 [17.7, 19.9] %; Omega3 = 0.107 [0.065, 0.200] g/100g; Selenium = 36.5 [18.1, 64.6] μg/100g; VitaminA = 54.9 [16.4, 168.2] μg/100g; Zinc = 1.26 [0.87, 1.79] mg/100g (wet weight);

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Updated: 2024-07-17 14:02:44 gmt
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