Finn, my flowiest, fullest, prettiest finned boy doesn't have a tail any more!
I'm completely dumbfounded. Yesterday he was whole and gorgeous, this morning there's only a few tendrils of his tail left. Most of it is practically gone from the base out. It seems like if he'd lost that huge a chunk, I would be able to see it somewhere too... but nothing. I have no idea what happened, he's been in that tank for months without any changes to decor etc.
Should I treat his tank with anything to prevent infection? How long will it take him to grow out his fins again? Will they ever be the same again?