Two Russian fishermen were just minding their business when a true predator of the sea popped up right next to them.
That's a nuclear submarine of the Russian Navy. According to translations in Russia Today, the fishermen released a stream of curse words when they realized that a nuclear submarine was so close to them, and one of them asks the other to check out how badly his hands are shaking.
YouTube user Vlad Wild played it cool when he uploaded the video, though. He titled it "Nothing unusual, just submarine." Check it out below: