Who Gives A Fish Forums

I'm relieved the issue is resolved. I've been up late after lights out, observing my tank, and I finally figured out what was going on. My betta was in his usual sleeping trance, and as I shone my torchlight into the tank, I caught a ghost shrimp swimming off of him. It turns out they've been ...

Something's off with my betta. Had fin rot before, but only on pectoral fins. Don't think I saw this yesterday, but I was feeding him so maybe I missed it. He's got a bad habit of sleeping behind the filter, near the heater. I used a cut-off filter as a flow guard, but I don't think it's a burn ...