Opistognathidae

Opistognathidae, the jawfishes, are a family of fishes in the order Blenniiformes. The family includes about 80 species. They are native to warmer parts of the Atlantic, Pacific and Indian Oceans, where they are found from the shallows to depths of a few hundred meters. The species level taxonomy is complex and the family includes several undescribed species.

Opistognathus is a genus of fish in the family Opistognathidae found in the Atlantic, Indian and Pacific Ocean.

Stalix is a genus of jawfishes native to the Indian Ocean and the western Pacific Ocean.

Lonchopisthus is a genus of jawfishes native to the tropical West Atlantic (Caribbean Sea) and East Pacific oceans (Gulf of California).