Yellow & Purple Wrasse (Halichoeres leucoxanthus)make a stunning addition to your 50 gallon or large aquarium. They can be put in a reef tank, but with some caution.
They eat fireworms and pyramidellid snails, helping to protect yourcorals and clams. However, they may also eat feather dusters, wild shrimp, tubeworms, and flatworms. But they will not bother zooanthids, mushrooms or corals.