Giant Stalinist Crabs

If not stranger, then truth is definitely at least equally as strange as fiction. Alhtough the funny thing about this story (apart from the fact that it's about giant crabs taking over the world, of course), is that fishermen are complaining that the crabs are eating the cod that they base their livelihood on, and are spreading out of control. So why don't they, er, fish for the crabs instead?