I lost my Farlowella tonight. I was watching him swim around acting normally then an hour later he was belly up on the bottom of the tank. Not sure what killed him though I'm leaning towards lack of filtration... I'm really annoyed by this as it was the only fish I had that you don't see in LFS' very often. It will probably be a loooong time before I find another one and he had just gotten big enough to be noticeable in the tank. I felt awful just disposing of his body as he was so unique looking I would've loved to have given him Necrocanis' treatment but I doubt it's possible on a fish that small. Alas....