Quote Originally Posted by Cryptic View Post
Sounds to me like you dumped a totally unecessary white butt ton of food in the bowl/tank/wherever he lives, poluted the christ out of the water, and your fishy probably got ammonia burn and now his gills don't function properly. My guess is the food sat there and rotted, and since he's probably in a small container it got pretty befouled over 3 days.
I didn't even think about the food rotting. Ammonia just took a huge jump in the polls as the most likely culprit.