parasite

I think it could be Gill flukes or some other parasite, looks like its hanging from the bottom of its Gill plate.

I really have questions that I am hoping you guys can help me with. I am not certain exactly what type of medication I should be using. So let me tell you what I have, and what I do, and hopefully you can help me figure out whether or not to keep doing the same thing or change it up. I keep...