The friendliest place on the web for anyone with an interest in aquariums or fish keeping!
If you have answers, please help by responding to the unanswered posts.
They eat mostly detritus. If you see them munching on a coral it will most likely be because the coral has an infection and it is just cleaning it. I thought they were eating my toadstool, but then I noticed that it was cleaning and area that was stung by my frogspawn.