There is no sign of inflamation, I am pretty sure it bothers me more than it bothers the cory
Thank you for the iodine suggestion thats one I have not tried yet.
Moon

One the body almost directly behind the middle line of the eye and behind the gill. I posted a photo of the cory at http://www.moonsweb.com/cory.jpg It shows very well in the photo.

Yes I have tried melafix and there is no change. The cory seems perfectly healthy and appears that he will become a permanent resident of my hospital tank. I could try to manually remove the spot by scraping it but I fear it would harm the fish and not produce good results. Since it is still there ...

http://www.moonsweb.com/cory.jpg here is a photo of the cory. I have treated the hospital tank with both quick cure and melafix and nothing seems to affect it. Melafix is supposed to work for bacteria as I recall. S/he eats fine and other than the spot appears to be perfectly healthy.

Hi
I have a 55 gallon planted tank and a 10 gallon that I quarantine all fish/plants in before placing them in it. Two weeks ago I purchased 4 Corydoras trilineatus (near as I can tell the store only knew they were corys). I didn't notice till I got them home that one of them had a single spot of ...