My yellow tang likes to visit my cleaner shrimp. My shrimp cleans him up and he moves on. He visits this guy relatively frequently. I used to worry that some sort of parasite got into the tank, but everyone looks happy, healthy, and no visible signs of yuckiness are growing on them. This has been going on for months and only with my yellow tang. Is it possible that the tang visits the shrimp just because he likes it?

