Jumbo Panfish Worms replacing the once popular Leaf Worm because of their durability and ease of storage. Known by many confusing names such as Trout Worms, Red Trout Worms, Red Wigglers, Belgium’s and Georgia Jumpers, we thought that these worms needed a name that is more true to what they are used for in the Upper Midwest, so we went out and Trade Marked the name Jumbo Panfish Worms®. In just a few short years our worms have become the talk of the industry. These worms are very hardy and are easy to keep alive. Just take the box of worms out of its shipping box when you receive and place in a refrigerated place around 38° to 42° F and they will last weeks with out much care. Available year round.