Whitemargin Unicornfish (Naso annulatus)

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Whitemargin Unicornfish

Naso annulatuse4rw.jpg
Whitemargin Unicornfish

Naso annulatus

5300 Litres (1400 US G.)

76.2-101.6cm (30-40 ")


8.1 - 8.4

22.2-25.6°C (72 -78 °F)

8-12 °d

1:1 M:F

Other (See article)

6-10 years



Additional names

Whitemargin Unicornfish, Bluefin Unicornfish, Ringtail Unicornfish

Additional scientific names

Priodon annulatus, Naso herrei


Indo-Pacific: East Africa, including the Mascarene Islands to the Hawaiian, Marquesan, and Tuamoto islands, north to southern Japan, south to Lord Howe Island.

Tank compatibility[edit]

May eat Corals and small invertebrates, so monitor it in a reef tank.. Is also territorial towards its own kind and similar shaped fish, can only be kept with other similar Surgeons in very large set ups.


An active swimmer and Planktivore that, while generally peaceful, is well capable of killing incompatible tankmates.

Tank Environment[edit]

An open space with little to no live rock.


Meaty as well as vegetable foods, such as Spirulina and Mysid Shrimp.


External links[edit]