Fishbites Bag O' Worms Bloodworms Alternative Bloodworms are a deadly bait, and if you've ever forgotten a bag in your trunk, the smell is absolutely lethal. Problem solved with Fishbites Bag O' Worms Bloodworm Alternative. The red strips are fully synthetic and require no refrigeration. Fishbites claims the strips will stay fresh and ready for use for a year in your tackle box and will work even after drying out. The soft bubble gummy strip releases a synthetic bloodworm smell that the fish taste in the water, but there's no odor when you hold them up to your nose. Are they a perfect substitute for bloodworms? It's hard to say, but I'll never have to worry about getting a stinky trunk again.