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Orange Shoulder Tang (Foster, 1801)

 Scientific Name  Acanthurus olivaceus
 Diet  Herbivore; algae, brine shrimp
 Alt Common Name  Olive, Orange Band, Orange Bar, Orange Epaulette, Orange Spot Surgeonfish, Montsukihagi (Jap. 'crested surgeonfish'), Nae Nae (Haw.)
 Family  Acanthuridae
 Origin  Indian and Pacific Ocean
 Aquarist Level  Intermediate
 Reef Safe  Yes
 Coloration  Gray with Orange spot surrounded in Blue
 Disposition  Peaceful except with other tangs of the same genus or coloration.
 Hardiness  Hardy
 Compatibility  Peaceful with other species. Aggressive with own species
 Mature Size  10 inches
 Sexual Dimorphism  Not visible.

Recommended Supplements

Notes: Tangs, also known as Surgeonfish, are ideal fish for the fish only or reef aquarium.  Generally it is best to keep one tang per aquarium.  If attempting to keep more a 75 gallon aquarium or larger aquarium is recommended as well as introducing tangs from different genus at the same time.

Orange Shoulder tangs are reported grazers of filamentous and diatom algae.