spotted puffer question
Hi all
We have five spotted puffers that all appear to be healthy and are certainly eating good, the little gluttons. The only problem we're having is that their white bellies keep turning black. We have tested the ph as well as the specific gravity which all are within the appropriate range. We've also treated them for Ick which does help but as soon as we stop treatment the problem returns. Is this just a normal condition for these fish? If not, what could we do to alleviate the problem? Thanks so much for your help!
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