Florent's Guide To The

Tropical Reefs

Humpnose Unicornfish
Naso tonganus
Humpnose Unicornfish
Category: Unicornfishes
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) Chordates
└Vertebrata (Subphylum) Vertebrates
 └Osteichthyes (Parvphylum) Bony Fishes
  └Actinopterygii (Gigaclass) Ray-Finned Fish
   └Teleostei (Class) Teleosts
    └Acanthuriformes (Order)
     └Acanthuridae (Family) Surgeonfishes
      └Naso (Genus) Unicornfishes
       └N. tonganus (Species)
WoRMS ID: 278010🔗
iNaturalist ID: 187736🔗

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© 2026 Florent Charpin