Ok so I'm going to sound like a complete newbie on this one. I just bought a bursa trigger and after 2 days of being in his new home he has what looks like ich. Now I know this can typically happen from being stressed but I just don't get it. I have yet to have this issue in new fish. Didn't even get it from the hippo I once had. He's eating fine and swimming fine and has lots of energy and all of his color. Any ideas?