You can , as long as one is not the slug eating type, also beware they have a special diet of sponges and trunicates and some algae,and are escape artist, get through the smallest of openings
PS, DVS, I dig your Tattoos
I just got a lettuce nudi, did some research and from the sites I have and info listed alot of others are venomous. I can't list links, but do some searching before buying. HTH