It's time. Kyoto has been in quarantine now for over two weeks. Despite daily dosage with a "prescribed" medication, he has not shown much improvement.
In fact, he has gone into deeper stress,
as evidenced by the reddening along his sides here, just behind the gills:
So it's back to the pond for Kyoto, to be with his pals. Good luck, Kyoto!
PS As of this morning, Kyoto has been back in the pond for three days and is not showing any sighs of deteriorating health; he's hangin' in there!