The Powder Brown Tang, Acanthurus japonicus also known as the Powder Brown Surgeonfish, Japan Surgeonfish, White-faced Surgeonfish, is a handsome fish that has a brown body with a white mark on the cheek between the mouth and eyes. The pectoral, anal, and dorsal fins are dark brown with beautiful blue edging. The dorsal fin also has an redish-orange stripe present. The tail is blue with a yellow vertical bar. Yellow striping runs along the body, against the anal and dorsal fins, forming a wishbone-shaped marking.