The Boenacki Grouper, Cephalopholis formosa, is a grouper species also known as the Blue-lined Hind or the Bluelined Grouper. They are found in the Indo-Pacific and have a maximum length of 30 centimeters. They have a brownish body with a series of dark bands vertically across its body. They should be kept in larger tanks and will eat most prepared fish foods. They are aggressive and should not be housed with smaller fish.