injured clown

Can anyone diagnose what’s going on with this clown? Is it just injured, infected, possible parasite? Seen at local petco where I like to rescue the sickest clowns from and quarantine them to rehabilitate. But not sure how to treat this guy. EDIT: after some more research I am thinking...

Today I moved my live rocks around to give a Rose Coral better light and some tube coral less light. During this process my flow was too much for my Ocellaris clownfish. They are both small but my male got caught in the filter pick-up and has an visible abrasion. I added a 3 lbs base rock to...

(Black clown in video) Captured from residential tank on 02/06/22 Since Day 1 of observation period: - always swims vertical in the corner - Cannot close it’s mouth - hole in the side of it’s mouth - breathing fast - swims upside down during feeding time when the flow is off… Fish has been in...