nto always, often cbs's don't like other shrimp, especially in smaller aquariums(55 included),mixing these, you may find that you have ONE very happy cbs, and no cleaners, some have had luck, but normally in larger tanks, but as a general rule, if you have a cbs, plan on that being your only shrimp(even if you add more)
oh yeah, cbs are not the only ones, camelbacks harlequins and maybe pistols
HTH
[ December 31, 2001: Message edited by: fshhub ]