Naso vlamingii (Valenciennes, 1835)

Bignose unicornfish

Catalog of Fishes (gen., sp.) | ITIS | CoL

Classification	Actinopterygii \| Perciformes \| Acanthuridae \| Nasinae
Synonyms	Naseus vlamingii, ... more
Common names	Vlaming's unicornfish, Bignose unicorn, Big-nose unicorn, ... more

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AquaMaps Data sources: GBIF OBIS

Main reference

Myers, R.F. 1991. (Ref. 1602)
Other references | Biblio | Coordinator : Randall, John E. | Collaborators

Size / Weight / Age

Max length : 60.0 cm TL male/unsexed; (Ref. 3145)

Environment

Reef-associated; marine; depth range 1 - 50 m (Ref. 9710), usually 1 - 50 m (Ref. 27115)

Climate / Range

Tropical; 24°C - 28°C (Ref. 27115); 30°N - 30°S, 30°E - 89°W

Indo-pan-Pacific: East Africa to the Galapagos Is. north to southern Japan, south to the southern Great Barrier Reef and New Caledonia, Tuamotus, throughout Micronesia
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 6; Dorsal soft rays (total): 26 - 27; Anal spines: 3; Anal soft rays: 27 - 29. Adults develop a convexly rounded prominent snout and unusually tall dorsal and anal fins. Side of body with vertical blue lines which break up into small blue spots dorsally and ventrally. A broad blue band extending from eye to front of rostral protuberance (Ref 9808).

Occurs in deep lagoon and seaward reefs. Found forming loose schools along upper regions of deep drop-offs (Ref. 48637). Forms mid-water aggregations off steep slopes during the day to feed on zooplankton. Usually found alone or in pairs. Omnivorous. Has the ability to show or hide its blue markings (Ref. 9710). Minimum depth reported taken from Ref. 27115.


IUCN Red List Status (Ref. 57073)	Threat to humans
Not Evaluated	Harmless

Human uses
Fisheries: minor commercial; aquarium: commercial


More information
Countries FAO areas Ecosystems Occurrences Introductions Ecology Diet Food items Food consumption Ration	Common names Synonyms Metabolism Predators Ecotoxicology Reproduction Maturity Spawning Eggs Egg development	Age/Size Growth Length-weight Length-length Length-frequencies Morphometrics Morphology Larvae Larval dynamics Recruitment	Other references Biblio Aquaculture Aquaculture profile Strains Genetics Allele frequencies Heritability Diseases Processing	Collaborators Pictures Stamps Sounds Ciguatera Speed Swim. type Gill area Otoliths Brains Vision

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Internet sources

Estimation of some characteristics with mathematical models

Resilience (Ref. 69278)

Low, minimum population doubling time 4.5 - 14 years (K=0.264; Tmax=45)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Moderate vulnerability (38 of 100)	Medium

Entered by Capuli, Estelita Emily

Modified by Ortañez, Auda Kareen

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Page last modified by : elaxamana, 15 July 2009

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