Titan triggerfish Balestra titano
The Titan triggerfish, Giant triggerfish or Moustache triggerfish (Balistoides viridescens) is a large species of triggerfish found in lagoons and at reefs to depths of 50 m. in most of the Indo-Pacific region. Is diurnal and solitary fish. It feeds on sea urchins, molluscs, crustaceans, tube worms, and coral. It often feeds by turning over rocks, stirring up sand and biting off pieces of branching coral.