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Naso brachycentron (Valenciennes, 1835)

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


Comoros country information

Common names: [No common name]
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/cn.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Randall, J.E., 2001
National Database:

Common names from other countries

Classification / Names Nombres comunes | Sinónimos | Catalog of Fishes(Género, Especie) | ITIS | CoL | WoRMS | Cloffa

> 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 Ecología

marino asociado a arrecife; rango de profundidad 8 - 30 m (Ref. 90102), usually 15 - 20 m (Ref. 48637).   Tropical; 25°C - 28°C (Ref. 27115); 33°N - 25°S

Distribución Países | Áreas FAO | Ecosistemas | Ocurrencias, apariciones | Point map | Introducciones | Faunafri

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

Tamaño / Peso / Age

Maturity: Lm ?  range ? - ? cm
Max length : 90.0 cm FL macho / no sexado; (Ref. 1602)

Short description Claves de identificación | Morfología | Morfometría

Espinas dorsales (total) : 4 - 5; Radios blandos dorsales (total) : 28 - 30; Espinas anales: 2; Radios blandos anales: 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).

Biología     Glosario (por ej. 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 Maturities | Reproducción | Spawnings | Egg(s) | Fecundities | Larva

Spawn in pairs (Ref. 240).

Main reference Upload your references | Referencias | Coordinador : Randall, John E. | Colaboradores

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 (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

Pesquerías: comercial; Acuario: Comercial
FAO(Publication : search) | FishSource | Sea Around Us

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Trophic ecology
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Length-weight rel.
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Estimates based on models

Preferred temperature (Ref. 115969): 25.7 - 29, mean 28.1 (based on 218 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 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).
Nivel trófico (Ref. 69278):  2.7   ±0.29 se; based on food items.
Resiliencia (Ref. 120179):  Bajo, población duplicada en un tiempo mínimo de 4.5-14 años (K=0.429; tmax=31).
Fishing Vulnerability (Ref. 59153):  High vulnerability (60 of 100).
Price category (Ref. 80766):   Medium.