I have a 29 gallon biocube that has been up and running for almost a year now. The only fish occupants are a firefish and a pink skunk clownfish. I would like to add one more fish that is not extremely active and will not compete for space with my pink skunk. I am thinking about a yellow watchman goby but I am not for sure how active and visible they will be. Any suggestions? I have included an old picture of my tank that was taken about 6 months ago. Ofcourse it is filled to the lip with corals now, I just wanted one more fish to help give the tank more activity.
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