The Four Eye Butterflyfish is commonly referred to as the Foureye Butterflyfish, which features two namesake false eyespots on either base of the caudal fin help not only to add to this fish's beauty, but to also misdirect predators. The Four Eye Butterflyfish is peaceful in nature and is recommended to keep at a temperature from 72.0 to 79.0 F. The Four Eye Butterflyfish is great when kept in a fish only community tank with a variety of other species with a similar temperament. The Four Eye Butterflyfish is not reef safe and must not be kept in reef tanks as they are fond of the live polyps of stony and soft corals. The Four Eye Butterflyfish mainly feeds on coral polyps, clams, fan worms and other invertebrates. The Four Eye Butterflyfish grows up to 7 inch in length and can be kept in a tank not less than 50 gallon. They are not reef safe and must not be kept in reef tanks as they are fond of the live polyps of stony and soft corals. The Four Eye Butterflyfish mainly feeds on coral polyps, clams, fan worms and other invertebrates. The Four Eye Butterflyfish carry a specialized diet that usually poses a difficult problem for the aquarist. Because of their specialized diet and poor adaptability, this species becomes very difficult to keep. Therefore, the Four Eye Butterflyfish is only a good option for an experienced keeper. Although, this Four Eye Butterflyfish does not require a spacious aquarium with plenty of rocky hiding places and open areas to swim, it usually spends a good deal of its time in the open water.