The Puffer Forum

Welcome. No puffer belongs in a small bowl, not even the tiniest dwarf puffer. It needs to be in a proper tank with proper filtration. He most likely is being poisoned by his own waste if he's in a bowl with no filtration. Please answer all of the questions at the top of this forum regarding water ...

Now, things are even more complicated... So I moved him into a cleaner tank with some other fish; no initial concern. But I've been noticing that there has been a clear spot growing on his back, and this day I realized how serious it looks. It seems like some of the green skin on his back is 'peelin...

So, should I just transfer him to a larger tank? Are there any problems concerning bacterial infection or other health issues I should focus on before I transfer him? I'll be moving him to a tank with a few other fish, and if anything, I don't want them to get sick.

I'm new here, I have a Bronze Pufferfish, about a few years old. He lives in a small bowl because he's too aggressive for my other fish. Normally, he's quite active and looking for food. But lately he's been acting differently. To start, his eyes seem to have dilated, his pupil shrunk, and there app...