I dont believe that any of the Xanthichthys triggers really should be in a tank smaller than 300gallons and 8 ft long. I had a male blue throat in my 180 and he was not happy, he lost color and "paced" similar to the what the above poster stated. I gave him to a friend with a 300 gallon so that he would have ample space. The fish in this genus are pelagic open water fish and swim alot, so they need lots of space.
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