My last (literally) attempt at a copperband was a statistic as well sadly
Healthy and fat at the LFS for a couple of months. Healthy and eating well in my tank for a month. Go to feed tank one day and.. Ya, dead

. It is especially frustrating when they go like that. Eating well and absolutely no signs of trouble right up to the night before they perish. There's nothing you could have done even if you wanted to because you went to bed thinking the CBB was healthy and happy as can be.
