Naso brevirostris

Young longnose unicorn fish do not have a horn. A related species, N. unicornis, only has a hump on its forehead. These two species are vigorous swimmers and mainly feed on algae; the adults are more carnivorous than the young. Size: 25-30 cm.

• Cephalopholis argus
• Pseudobalistes fuscus
• Forcipiger flavissimus
• Arothron nigropunctatus
• Acanthurus japonicus