Florent's Guide To The

Tropical Reefs

Whitemargin Unicornfish
Naso annulatus
Whitemargin Unicornfish
Category: Unicornfishes
Scientific Name: Naso annulatus
Size: Up to 39 in. (100 cm)  
Depth: 50-200 ft. (15-60 m)
Distribution: Indo-Pacific, Hawaii, French Polynesia
Chordata (Phylum)
└Vertebrata (Subphylum)
 └Osteichthyes (Parvphylum)
  └Actinopterygii (Gigaclass)
   └Actinopteri (Superclass)
    └Teleostei (Class)
     └Acanthuriformes (Order)
      └Acanthuridae (Family)
       └Naso (Genus)
        └N. annulatus (Species)

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© 2026 Florent Charpin