Fourspot Butterflyfish are not abundant, but are still a relatively common sight on Maui. They usually pair up but are occasionally seen in small schools or alone. They are corallivores who feed primarily on Pocillopora  (more commonly known as Cauliflower Coral) and will most certainly be one of the species negatively affected by large coral bleaching events. To six inches. For more information regarding their range, red list status, and feeding habits, see the IUCN Red List site.