To easily retreive worms ensure that you have a few empty jars because you can only hold one worm per jar , then head to mid hyrule field kill some of the two legged creatures that produce bombs that resemble the ball outside Jovani's house that the cats play with , after you kill one of the two legged creatures a worm will appear scoop it up with a jar .NOTE
fish absoulutely love worms.
This information has been submitted by DC&DB