Wildlife phenomenon: pike vs rudd. Read info before commenting! Щука и краснопёрка.

Please read this first before commenting! For quiet a long time I wanted to film fishing with my underwater camera. So, eventually I tried to do it but it didn’t go well: first time I forgot to clear the memory in my camera, next time 2 fishermen took the spot where I had fed fish for a few days and they didn’t let me stick my rod between them. Then the water level in the canal rose and the fish moved to a different place. Eventually I filmed something but it wasn’t very impressive. At the same time I