Zanzibar Butterflyfish / Chaetodon zanzibariensis SCIENTIFIC NAME â€“Chaetodon zanzibariensis COMMON NAME â€“ Zanzibar Butterflyfish SIZE â€“ 4.7" (12 cm) MIN. AQUARIUM SIZE â€“ 55 US Gal. (208 L) FOODS AND FEEDING â€“ The Zanzibar Butterflyfish consumes the polyps of stony corals. In captivity, try offering a varied diet of aquarium fare for carnivores and omnivores. This species can be kept singly or as a pair and should be housed in a peaceful community tank. Prefers an environment with plenty of swimming room, places to hide, and temperatures in the range of 72-81 F (22-27 C). REEF COMPATIBILITY â€“ Can be kept with the more noxious soft corals. CAPTIVE CARE â€“ The Yellowtail Butterflyfish readily acclimates to captivity and will accept a wide range of foods. This species is sensitive to water quality and it should be housed with peaceful tank mates. More than one can be kept in an adequately sized tank and can also be kept with other Butterflyfish. The Yellowtail Butterfly may be aggressive towards fish of similar shape and coloration.