I was happy to find this article about captive culture of Lumbricus terrestris, a.k.a. Canadian nightcrawler.
Canadian nightcrawler experiment: great castings, slow reproduction: You tell me: success? or not? - vermicomposters.com
I have always assumed that it was impossible, since they dig such deep burrows, but evidently it can be done, with modest yields of baby worms. I'm not sure if I have the space and/or patience to do this, but it's nice to know that it's possible.
Canadian nightcrawler experiment: great castings, slow reproduction: You tell me: success? or not? - vermicomposters.com
I have always assumed that it was impossible, since they dig such deep burrows, but evidently it can be done, with modest yields of baby worms. I'm not sure if I have the space and/or patience to do this, but it's nice to know that it's possible.