For real... not something out of Dr. Seuss :0)
Fish have to be able to get past dams to get up to their spawning grounds. Although it was not the time of year for a big 'run', there were several fish coming through the ladder while we watched.
The view from outside ---------------->
And from below...
I have to say that the last picture kind of gives me the creeps... looks like the fish is watching US!