marine hole in head question?
 

So after deciding that hole in head is what my yellow longnose that i purchased 3 months ago has ( hes been in QT the whole time) what is the best way to take care of this? Anyone with any experience with this? thanks

Better nutrition, better water quality.

Feed a wide variety of high quality foods including cyclopeeze, mysis, etc. etc. Soak your frozen food in Selcon. Try to get him going on nori. Use garlic as an appetite stimulant.

And a ground probe.