Blennioidei – Blennioids
The Blennioids species are an order in the superclass of bony fish. Blennioidei are usually small, slim and have a body that is not or only incompletely scaled. Their skin has a high density of mucus producing cells. A distinctive feature of similar orders of bone fish is their coalesced back fin.
Almost all Blennioidei species live in the sea, often in the vicinity of the coast. In addition, they are usually found on rock and coral reefs.