Naso annulatus (Quoy & Gaimard, 1825)

Whitemargin unicornfish

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

Classification	Actinopterygii \| Perciformes \| Acanthuridae \| Nasinae
Synonyms	Priodon annulatus, Naso herrei, ... more
Common names	Ringtailed unicornfish, Whitemargin, Unicornfish, ... more

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Image of Naso annulatus (Whitemargin unicornfish)

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This map was computer-generated and has not yet been reviewed.

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 : 100.0 cm TL male/unsexed; (Ref. 2334)

Environment

Reef-associated; marine; depth range 1 - 60 m (Ref. 27115), usually 25 - 60 m (Ref. 27115)

Climate / Range

Tropical; 24°C - 28°C (Ref. 27115); 32°N - 32°S

Indo-Pacific: East Africa, including the Mascarene Islands (Ref. 37792) to the Hawaiian, Marquesan, and Tuamoto islands, north to southern Japan, south to Lord Howe Island.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 5; Dorsal soft rays (total): 28 - 29; Anal spines: 2; Anal soft rays: 27 - 28. Plain brown or olivaceous in color, paler below; subadults with black caudal rays, narrow margins and white caudal filaments; pectoral fins with white distal margins (Ref. 3145).

Juveniles occur in clear, shallow lagoon reefs at depths as little as 1 m; adults rarely seen in less than 25 m, encountered off outer reef drop-offs in small schools (Ref. 30573, 48637). Benthopelagic (Ref. 58302). Feeds on large zooplankton during the day and shelter within the reef during the night; also benthic algae (Ref. 30573, 48637).


IUCN Red List Status (Ref. 57073)	Threat to humans
Not Evaluated	Reports of ciguatera poisoning (Ref. 30298)

Human uses
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=0.213; Tmax=23)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Moderate to high vulnerability (45 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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