Check the listing for details. Canadian Nightcrawlers Free Priority Shipping, Live Arrival Guarantee. Condition: New. Listed at 52.99 USD. Canadian Nightcrawlers Lumbricus terrestris 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. They are not a composting worm because they do not tolerate warm temperatures of a compost pile and they do not reproduce quickly. Nightcrawlers are also a great feeder for you Turtles, Large Reptiles and Small Omnivore Mammals. Counts are approximations. Worms are sold by weight and we only guarantee count on the 50 count Order. All other orders are packaged by weight with overages added in case of damage or death in transit.