Related: Costco Next May Be the Brand's Coolest Hidden Membership Perk Still, “if the fish is frozen or cooked, the worms will die and be harmless,” Hawdon says. But if you happen to eat ...

Several fishermen have stopped setting out to sea for their daily haul of fish in the past couple of days, after they found worms wriggling out of bodies of the fish they caught with their fibre nets.