You shouldn't have either in your tank.
1. They have a very poor survival rate in aquaria, mainly because they are obligate cleaners, meaning they get the majority of their sustanence from consuming parasites. They usually waste away over a period of a few months slowly starving to death. It is a rare occasion that the wrasses actually take to other foods and even rarer for them to be able to get enough nutrition to survive. Unless it is a VERY large aquarium with a significant fish load i.e. hundreds of fish it is unlikely you will be able to keep them alive on parasites alone.
2. Most importantly, the removal of Labroides wrasses from the reef can create significant health issues. "Experimental removal of some of these cleaners in the wild has demonstrated their immense importance as parasite controls. Local and even large pelagic fish populations are quickly and negatively impacted by their removal. Fish populations drop or migrate, and remaining fishes lose fitness as measured by increased external parasite loads, sores and torn fins." Robert Fenner, "Conscientious Marine Aquarist".
Thus their chances of survival is poor, and there are serious impacts upon the reef when they are removed. Since they currently are not being bred in captivity they should be left in the ocean.