The term 'Coral Dweller' refers to an EEL, which is a type of fish that lives in coral reefs. Eels are typically long and slender, and can range in size from a few inches to several feet. They have no scales, and their skin is usually smooth and slimy. They feed on small fish, crustaceans, and other invertebrates. Eels are found in tropical and temperate waters around the world, and they play an important role in the marine ecosystem.