Powder Blue Tang (Acanthurus leucosternon)

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Powder Blue Tang

Powder Blue Tang

Acanthurus leucosternon

379 Litres (100 US G.)

50-54 cm (19.7-21.3")


8.1 - 8.5

23 -28 °C (73.4-82.4°F)

8-10 °d

1:1 M:F

Other (See article)

2-3 years



Additional names

Powder Blue Tang, Powderblue Surgeonfish

Additional scientific names

Acanthurus delisiani, Acanthurus delisianus, Acanthurus leucosternum, Hepatus leucosternon, Rhombotides leucosternon


Indian Ocean: eastern Africa to the Andaman Sea, southwest Indonesia and Christmas Island; with range extended to Bali, Indonesia in Western Pacific


Mature males are smaller than mature females.

Tank compatibility

Should not be kept with similar looking fish or with fish with the same feeding habits. Other species of Tang are not recommended as the Powder Blue can be territorial. The Powder Blue should be the only Tang-like fish in the system. Fish that do not resemble it should be fine however and should be peaceful yet robust.


Will mainly graze on algae and spirulina, and may also take lettuce, dried seaweed and zucchini. When buying these fish be aware that stock can easily starve, do not buy fish with sunken bellies.

Feeding regime

Feed 2-3 times a day.

Environment specifics

This is a large active fish needing a laterally spacious tank, they cannot thrive in fish-only saltwater tanks, they need live rock to graze on.


Active and can be territorial.


Oval-shaped fish, with a steep forehead, black head, pale blue body, yellow dorsal and anal fins, and a small mouth with visible teeth.



External links