George Patterson wrote:
If you ever expect to add a Mandarin, skip the shrimp (especially
cleaners). They compete for food, and the Mandarin usually won't eat
anything but copepods.

I have a fat and happy mandarin, so I guess that nixes the shrimp. I
also have a pseudochromis that hunts for copepods. I could easily live
without him, but I suspect that he'll be the last fish standing.

--Kurt