Nightcrawlers are one of the best baits for rainbow trout, especially in rivers and streams. It is almost too easy on some waters that most of the local die-hard trout anglers will look down upon the live bait anglers. If it is legal on the body of water you are fishing and you like to use live bait, go ahead and get yourself some nightcrawlers. You will have a blast.
The smaller red worms are the perfect size for smaller trout. If you’re looking for action, these worms will work well.