Reef Safe - Slight change that it Might nip in zoanthids or LPS. Will not brother invertebrates. One of the safer choices of larger angels for a reef. Might nip on Tridacna clams.
Size - Juvenile small up to 2", Juvenile Medium up to 3", medium up to 4", Large up to 6"
Tank Size - 55 when small, Medium or Large 100 to 150 gallon with lots of caves and hiding spots.
Community/Temperament - When large they become sexually mature, leading to territorial aggressiveness. it will be aggressive to the same specie, unless opposite sex (very difficult to differentiate). you can have other angels (must be juvenile) with him as long as they are from different genus use an social acclimatization box.