Sounds like a good case for an unrestricted open season, no bag limits. Shotgun only in built up areas, otherwise anything goes, although a .22 rimfire or a varmit rifle would seem adequate. Handguns too of course. In fact, maybe only handguns would be fun.
With sharp teeth and powerful jaws, big snakeheads can bite other fish in half
But don't get too close. :)
Won't happen. It would give the serfs ideas.