Mr. Jaws; Bi-color is considered with caution reef safe why because they may nip at large-polyped stoney corals, and clam mantles. Also, they may eat soft coral polyps. That said I am not sure I would gamble I would get one that didn't have those traits. Normal diet is, Meat foods, and plenty of greenstuff. Grazer. Must have hiding places to feel comfortable. Also, they are susceptible to disease and you must use copper on them with care. All in all a BIG gamble.