Common Name: Whitemargin Unicornfish

Species Name: Naso annulatus (Quoy & Gaimard, 1825)


Range: Indo-Pacific Ocean: East Africa to Tuamotu, Hawaiian, and Marquesan Islands, southern Japan, Lord Howe Islands


Size: Up to 40 in (100 cm)


Natural Environment: Inhabit coral and rubble areas in deep lagoons and seaward reefs


General Husbandry: Has a temperature range of 72 - 83°F (22 - 28°C) and has a natural diet consisting mostly of zooplankton and algae. Requires a varied vegetable diet, including fresh macroalgae, Spirulina, dried seaweed, and enriched vegetable flakes with two or three feedings per day. Better suited for public aquariums. Rarely seen in the hobbyist trade.


Aquarium Suitability: * * & * * * *


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* - Suited for the reef aquarium;
** - Better suited for the fish-only aquarium;
*** - Better left in nature;
**** - Needing an aquarium larger than 125 gallons; and,
***** - Needing their own private environment/special tankmates.