From the information I have gathered they seem to be good for a short while but soon deteriorate without the proper environment, ie, very large with lots of rocks and fish.
The worst thing about keeping these fish is the fact that they are so beneficial to life in the ocean and are constantly harvested for the aquarium trade. I feel a little twinge of remorse each time I buy something that should be in the open water, but draw the line with cleaner wrasse.
I believe there is an issue with their relatively slow reproduction as well, but maybe someone can clarify or discount that for me. On the other hand cleaner shrimp multiply easily, do just as fine a job (perhaps better) and acclimate well to aquarium life.
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