Hi all and thanks in advance for help. I've got one of my yellow tail damsel's with one eye blowing up like a ballon. It looks like a clear bubble growing over its eye. Is there anything i can do do for this guy? BTW, water is testing great.
That is usually a bacerial or fungal infection resulting from an injury to the eye. You can treat it (results are uncertain though IME) with commercial products your LFS should have in a quarantine tank environment.
