Suborder Scorpaenoidea is a taxonomic classification that groups together fish species with common morphological and biological features. Some synonyms for Suborder Scorpaenoidea include Scorpionfish, Rockfish, Lionfish, and Stonefish. All of these synonyms are based on the physical characteristics of the fish species in this group, such as the presence of venomous spines, a bony ridge above the eye, and a large mouth with fang-like teeth. These fish are found in marine environments around the world and are both predators and prey. Despite their dangerous reputation, many species of Scorpaenoidea are also prized by commercial and recreational fishermen for their tasty flesh.