Those fish are jumping out of the water because there is an alien spacecraft hiding under the water and it is scaring them so badly they are jumping into the air trying to breath the chemtrails which will genetically alter them into fishmen so they can be members of the new world order located at the secret base in Antartica so they can be safe from global warming and the failure of the F35's when they start falling out of the sky.
GMO Frankensalmon aproved by FDA flying over falls, pure plutonium leaking from Fukushima in Pacific; the greedy bear is an atomic bomb , must have 50 lbs of enriched uranium in his belly; should stick a fuse in his rear and drop him on Kim Jong-un.
This poor fish will start dying of hypoxia , too many under the falls; must be 1000s; the water is low makes it more difficult to leap over; should have a temporary ladder like they have around the dams.