Naso elegans (Rüppell, 1829)

Elegant unicornfish

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

Classification	Actinopterygii \| Perciformes \| Acanthuridae \| Nasinae
Synonyms	Aspisurus elegans, ... more
Common names	Indian orange-spine unicorn, Smoothheaded unicornfish, Orangespine unicornfish, ... more

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Main reference

Randall, J.E. 2001. (Ref. 37792)
Other references | Biblio | Coordinator : Randall, John E. | Collaborators

Size / Weight / Age

Max length : 45.0 cm SL male/unsexed; (Ref. 37792); common length : 35.0 cm TL male/unsexed; (Ref. 30573)

Environment

Reef-associated; marine; depth range 5 - ? m (Ref. 48637)

Climate / Range

Tropical

Indian Ocean: Red Sea south to Durban, South Africa and east through the islands of the western Indian Ocean to southwestern Indonesia, at least to Bali. Not reported from the Gulf of Oman, Persian Gulf, or India. Previously considered the Indian Ocean color variant of Naso lituratus.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 6; Dorsal soft rays (total): 26 - 30; Anal spines: 2; Anal soft rays: 27 - 30. Dorsal fin yellow with a blue line at base and a black band above this; anal and pelvic fins dark brown; dorsal and anal fins with a narrow blue margin and black submarginal line; caudal fin yellowish with black upper and lower margins and a submarginal black band posteriorly (Ref. 37792). Caudal fin emarginate with adult males having trailing filaments from each corner (Ref. 37792).

Inhabits coastal and sheltered reef flats in small groups and schools in oceanic locations (Ref. 48637). Feeds on benthic algae (Ref. 37792).


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

Human uses
Fisheries: 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)

Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Moderate to high vulnerability (47 of 100)	Medium

Entered by Garilao, Cristina V.

Modified by Ortañez, Auda Kareen

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Page last modified by : elaxamana, 15 July 2009

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