fin holes

My boyfriend discovered a tiny pin hole in his betta's fin. And yes, we know that he seems to be biting his tail, but we aren't worried about it too much. He only does it to trim so we could swim easier, his fins are very heavy, hardly even transparent at all so from what we've read and...

Help please! I just got a betta yesterday. He has fin rot and some bluish white spots all over his body which I though was a fungal infection. So were I work they sell melafix and I got that, but then his fins started clumping and he was acting a little weird. Bumping into the glass and stuff...

Hi all. I have owned many a betta, but have not seen this before. Any help would be appreciated. "Cherry" was a Wal-Mart "rescue". I got her back in December. For as long as I've had her, she has had a smallish white spot on her right side. Now, as she's gotten bigger, this spot has gotten...