well, a copperband is a very nice fish, but as mentioned before, they are difficult to take care of. also, thye are prone to nip at corals. I like to get all my info from
Aquarium Fish: Tropical Freshwater Fish and Saltwater Fish for Home Aquariums they have some of the most basic info you need to know about a lot of fish. so, before getting any fihs, look here for the basic info!