The Family Platycephalidae is a group of marine fish that are commonly known as flatheads or spinyheads. Some synonyms for this family name include the Platycephalinae, the flathead perch family, and the spinyhead family. These fish are found in the Indo-Pacific region, with some species also found in Australia and the western Pacific Ocean. They are known for their flattened, broad heads and their spiny fins. Some popular species within this family include the giant flathead, the blue-spotted flathead, and the dusky flathead. These fish are prized by anglers for their taste and by aquarium enthusiasts for their unique appearance.