The Yellow Pyramid Butterfly is commonly referred to as the Yellow Zoster Butterfly. With its vivid hue, the Yellow Pyramid Butterfly makes a stunning addition to any aquarium. It mainly eats plankton and is also considered safe for reef aquariums. The Yellow Pyramid Butterfly is quite shy initially and requires plenty of hiding places in the tank, so that it gets acclimatized easily. The Yellow Pyramid Butterfly grows up to 7 inches in the wild but is imported much smaller and needs to be kept in a tank of not less than 55 gallons along with many live rocks that can encourages the growth of natural algae. The Yellow Pyramid Butterfly can be kept singly or in true mated pairs, or even in small numbers. Several feedings a day is necessary for its continued good health. Its diet should include frozen and freeze-dried foods containing algae that can even supplemented with dried algae and vitamin enriched brine and Mysis shrimp. The Yellow Pyramid Butterfly thrives well in a temperature range of 72-78 degrees Fahrenheit and pH of 8.1-8.4. The Yellow Pyramid Butterfly is quite easy to care and makes a good fish for a beginner aquarist. It is very necessary to feed the Yellow Pyramid Butterfly at regular intervals or it will occasionally pick at Xenia or other soft corals.