The Pyramid Butterfly is also known as the Black Pyramid Butterfly, Black Hemitaurichthys Zoster, Black Pyramid Butterflyfish, Brown-and-white Butterflyfish, Brushtooth Butterflyfish, Brown-and-white Butterflyfish, Pyramid Butterflyfish or Zoster Butterfly. With its black color along with a wide vertical white band, the Pyramid Butterfly makes a beautiful addition to any aquaria. The Pyramid Butterfly grows up to 7 inches but is usually imported at about 2-3 inches and should be kept in tank not less than 55 gallons. The aquarium should comprise a plethora of live rocks in order to protect the Pyramid Butterfly from direct contact of light and a source of derivative food. The Pyramid Butterfly is reef compatible and is peaceful in nature but still it is best to keep them in the small groups. The suitable water conditions for the Pyramid Butterfly are 72-78ø F, dKH 8-12, pH 8.1-8.4, sg 1.020-1.025. If you will not feed it properly, the Pyramid Butterfly will pick either xenia or any other soft coral. We advise you to feed it several times a day with regular intervals. You should maintain its diet with frozen foods and dried foods consisting algae which is best substitute and can be added with the dried algae and the brine and Mysis shrimps that are rich in vitamins.