There were quite a number of fish (I counted at least six) in a small pool. The largest of them can (barely) be seen here. I do not know what kind of fish they were. I would guess some kind of trout or possibly salmon. I wonder how they made it up this far given how small they are. Perhaps they hatched just below the falls (where I found them) and have not left.
Location: Indian River Trail, Sitka, Alaska