It belongs to the Lethrinidae family, which also includes sea bream and large-eye bream. Known as Lethrinids, they have robust teeth at the front and side of the jaws, and cheeks without scales. They are carnivorous, bottom-feeding fish. t can change colour by switching on pigment cells in its skin. When an emperor is frightened, it often produces blotchy vertical brown bands across its body. It can have one colour pattern when taken out of the water and develop another over the following minutes.
