Everyone knows you don’t eat raw fish. Tuna or Walleye. I’ve seen walleye guts with worms before. these worms were about 1/8 of an inch round just after cleaning the fish. Few hours later when I spread the guts on the rocks out front of the cottage for the eagles to eat these worms stretched out to 4 inches and were as thick as dental floss.Friend went up for a trip and the outfitter/ hipster chef made them Walleye sushi . He got a tapeworm !