not sure about that, sorry, but i have heard not to keep then in an even number. dont ask me why, but suposedly they will kill one of them so they always have an odd number
awww hes all alone!! maybe they will be more accepting in the future.
fishcrazy; its just something i have hear and seen a few posts about here. im not saying its absolutly true, just thought i might give a little warning jsut in case. i want to get a few chromis for the 40 gallon im setting up now. Cheap, easy, and beutiful