Quote:
Originally Posted by michika
I had one in a 230g and that is probably the smallest tank I would put a larger tang in. They need to swim, so lots of lengthwise space is a must. If you are setting up a much larger system, and have smaller system up then I would tentatively say yes. HOWEVER, the smaller system needs to be decently large to start with, say 90g.
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I second that. We just upgraded to a 230g because our Regal and Salfin tangs out grew our 120g. They are much happier now in the 230g. However bigger is always better
90g would be the smallest I'd go with for tangs.