The Suborder Blennioidea is a group of fish that includes numerous species of blennies. Some synonyms for this suborder include Blenniiformes and Blenniformati. Blenniiformes is a term used in scientific classification, while Blenniformati is a more casual term that may be used by those in the aquarium hobby. The Blennioidea suborder includes both marine and freshwater species, and tends to have elongated bodies and small fins. Some popular species of Blennioidea include the Midshipman fish, Scooter Blenny, and the Bicolor Blenny. Despite their often small size and relatively simple appearance, these fish are fascinating creatures with unique behaviors and adaptations.