The Yellowmask Surgeonfish (Acanthurus xanthopterus) is a striking marine species commonly found in the coral reefs of the Indo-Pacific region, including the vibrant waters of Raja Ampat. This fish is characterized by its purplish-gray body and a distinctive yellow mask that extends from its eye, which gives it its common name. The outer third of its pectoral fin is also yellow, adding to its colorful appearance. Yellowmask Surgeonfish are known for their elongated, oval-shaped bodies that are w