Mustard Tang
Acanthurus guttatus
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Suggested Tank
180+ gallons
Max Size
10 inches
Difficulty
Temperament
Description
A deep-bodied, high-energy surgeonfish with a gray-brown body crossed by two pale white bars on the front half, dense white spotting over the rear body and fins, and yellow pelvic fins. It is an active, semi-aggressive grazer that constantly picks filamentous and calcareous algae from rockwork and will squabble with other tangs, especially similarly shaped Acanthurus. Give it a very large, mature tank with heavy turbulent flow, high oxygenation, open swimming lanes, and supplement grazing with dried algae; it is sensitive to poor water quality and prone to ich during shipping and acclimation.
Reef Safe
With caution
Environment
Mustard Tangs prefer a well-lit tank with plenty of hiding spaces. They thrive in a tank with live rock for grazing and require strong water movement along with high-quality water conditions.
Behavior
Mustard Tangs are active swimmers and need plenty of space to roam. They are generally peaceful but can be territorial with other tangs or similar shaped fish. They are known to be more active during the day and will often seek shelter in crevices at night.
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Mustard Tang
Acanthurus guttatus
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