I am currently having an issue were right near the right part of one of my frogs mouth there is a white part. It looks just like around the eye of frog of the picture I have uploaded. The other 3 are fine. They do get very greedy over food so I thought it was a scrape or something from fighting over food, but it hasn't gotten better but it hasn't gotten worse. I have 4 in a 20 long. They get calcium and guy loaded crickets daily. They have a log hut and a part land part water set up. I have a water fall filter. I change the filter every 2 weeks. The one that is hurt is the most active and the biggest piggy when I feed them.