My Betta, Toby, has had a white patch on his tail for almost a week. My dad first noticed it and thought it could a bacterial infection. I have plastic plants in his tank so he could have cut his tail on them (his fins are verrrry long.) I picked up Melafix a day later and did the recommended...

I bought a blue crowntail betta (male) a few weeks ago and he was happy and healthy up until about 4 days ago. Except he still doesn't like his name, Fishy. Not that I blame him... He's been hanging around the bottom of his tank more than usual, it looks like someone wrapped a teeny bit of...