Florent's Guide To The

Tropical Pacific Reefs

Humpnose Unicornfish
Naso tonganus
Humpnose Unicornfish
Category: Surgeonfishes
Scientific Name: Naso tonganus
Size: Up to 24 in. (60 cm)  
Depth: 10-60 ft. (3-18 m)
Distribution: Indo-West Pacific, Great Barrier Reef, Fiji
Chordata (Phylum)
└Vertebrata (Subphylum)
 └Osteichthyes (Parvphylum)
  └Actinopterygii (Gigaclass)
   └Actinopteri (Superclass)
    └Teleostei (Class)
     └Acanthuriformes (Order)
      └Acanthuridae (Family)
       └Naso (Genus)
        └N. tonganus (Species)

All Photographs
© 2025 Florent Charpin