The fish seem to be healthy again and were sitting in the sunny part of the pond today near the bottom drain.
I was able to take this image but it is not very good quality since there are overhead reflections and the fish are at the bottom. There is some water discoloration which gives the fish a tea color. I tried to clean it up a bit in Photoshop but there are too many variables. The white-ish object you see to the right is a 2inch 90 degree elbow on my retrofit bottom drain. They like to hide out under its piping.
top: Kujaku (noname) bottom: Gin Rin Kuhaku butterfly Koi (Dancer)
