Scorpaenoid fish is a term used to describe a vast group of marine fish that belong to the Scorpaeniformes order. While the term Scorpaenoid Fish is used to describe this group of fish, there are several other synonyms used to refer to these fish. Some of the common synonyms of Scorpaenoid Fish include Rockfish, Scorpionfish, Lionfish, and Stonefish, among others. These fish can be easily recognized by their spiky dorsal fin, venomous spines, and camouflaged body. They are mostly found in rocky shallow waters, and their venomous spines are used as a defense mechanism. Scorpaenoid fish can also vary greatly in color and size, making them an interesting and diverse group of marine fish.