Florent's Guide To The

Tropical Pacific Reefs

Orangespine Unicornfish
Naso lituratus
Orangespine Unicornfish
Category: Surgeonfishes
Scientific Name: Naso lituratus
Size: Up to 12 in. (to 30 cm)  
Depth: 3-230 ft. (1-70 m)
Distribution: Hawaii, Indo-Pacific, Great Barrier Reef, French Polynesia
Note: Once tought to be the same species as the Elegant Unicornfish,Naso elegans which is found in the Red Sea and the Indian Ocean.
Chordata (Phylum)
└Osteichthyes (Parvphylum)
 └Actinopterygii (Gigaclass)
  └Actinopteri (Superclass)
   └Teleostei (Class)
    └Acanthuriformes (Order)
     └Acanthuridae (Family)
      └Naso (Genus)

Disk & Large Oval
Surgeonfishes

Orangespine Unicornfish

Humpnose Unicornfish

Bluespine Unicornfish

Bignose Unicornfish

Palette Surgeonfish

Yellow Tang

Brushtail Tang

Brushtail Tang (Juvenile)

Pacific Sailfin Tang

Achilles Tang

Ringtail Surgeonfish

Eyestripe Surgeonfish

Pale-Lipped Surgeonfish

Whitebar Surgeonfish

Striped Surgeonfish

Elongate Surgeonfish

Whitecheek Surgeonfish

Blackstreak Surgeonfish

Brown Surgeonfish

Blue-Lined Surgeonfish

Dark Surgeonfish

Orangeband Surgeonfish

Mimic Surgeonfish

Mimic Surgeonfish (juvenile)

Convict Tang

Yellowfin Surgeonfish

Bluelipped Bristletooth

Hawaiian Bristletooth

Lined Bristletooth

Goldring Surgeonfish

Paletail Unicornfish

Paletail Unicornfish (Young Adult)

Sleek Unicornfish



All Photographs
© 2025 Florent Charpin