Some time ago we had a story of "prehistoric fish in Russian pond". Many opinions have been expressed on this, many thought these were triops, and the size of them was much smaller than it was in the article text. But see this now: another time such creatures caught now in different Russian city and now on the video. These things are huge and they look unfriendly, just imagine somebody go swimming to their pond. And people say it's 3 feet long!