First fish vs power head

[jason604]

So I turned of my pumps/power heads to to feed my tank and didnt realise this little bugger found his way into my power head and turned it on!!! I quickly turned it off right away when I saw something colorful in the power head. It was my very first fish tht I got 4 days ago!!! I quickly opened the power head n he bolted out but I did get a good look at him n he looked pretty beat up. But I didn't see any blood or parts missing. He's now just hiding in one of my live rock but seems alive for now. Should I take him out n use melafix on him in a seperate tank or let him be? Here is a pic of him in all his glory!