Although there are numerous butterfly fish species in the world’s tropical seas, not all are suitable for aquarium culture. A few are easy, many are just moderately easy, and others are possible but needing special attention. There are some that are considered distinctly difficult, or even impossible. So care needs to be taken to ensure what you choose is suited to your needs.
The spectacular Addis Butterflyfish (chaetodon semilarvatus) is native to The Red Sea, and is never cheap, but it is one of the easier species of the genus to maintain in aquarium culture. It grows quite large and will need a spacious aquarium.
Black and White Bannerfish (heniochus acuminatus) are firm favourites as aquarium species. They settle to aquarium life easily, and reward their owner with a bold display of contrasting black and white, with some subtle yellow infusion.