Perciformes is one of the largest orders of fish, comprising over 10,000 species. These fish are primarily characterized by their spiny fins and a body shape that is often elongated. They inhabit a variety of environments, including freshwater, brackish, and marine ecosystems. Members of the Perciformes order include well-known species such as bass, perch, and grouper. They play significant roles in their ecosystems and are important for commercial and recreational fishing. Their diverse adaptations allow them to thrive in different habitats around the world.