Chum Bucket

The Chum Bucket is a consumable which increases fishing power when thrown into a liquid. It is dropped with a from Blood Moon enemies: the Wandering Eye Fish and Zombie Merman drop it in stacks of 4–6, and the Hemogoblin Shark, Blood Eel, and Dreadnautilus in stacks of 7–10.

Trivia

 * The name and tooltip of this item is a reference to SpongeBob SquarePants, where the villain, Plankton, has a restaurant called the Chum Bucket that nobody goes to.
 * Chum buckets in real life are used by fishermen to lure sharks.