Canadian Nightcrawlers are the #1 Live Bait for a reason. These worms average 3 1/2 – 6″ in length and the diameter of a pencil. They are used for every species of fish from Walleye, Bass and Catfish to Saltwater. Nightcrawlers are also broken into parts for small pan fish. Canadian Nightcrawlers are a cold weather worm and do require refrigeration