Personally I think you should use Canadian night-crawlers or European night-crawlers, they're much more nutritious and easier for it to digest. Here's a few helpful articles to help you get started: http://www.caudata.org/cc/articles/foods.shtml http://www.caudata.org/cc/articles/foods2.shtml http://www.caudata.org/cc/articles/worms.shtml http://www.caudata.org/cc/articles/worms2.shtml