It grows to a maximum length of 15 cm (5.9 in). It swims alone or in pairs and occasionally in small aggregations. Its coloring is divided on the diagonal between black and white. It has gold dorsal and tail fins, and a gold vertical bar across its eyes. The dorsal fin has 13-14 spines and 18-22 soft rays while the anal fin has 3 spines and 16-18 soft rays. It attains a maximum total length of 15 centimetres (5.9 in). Learn more about Hawaiian Butterflyfish