The Family Microdesmidae comprises of small, elongate fishes, commonly known as wormfishes. The wormfishes are known for their elongated shape and burrowing behavior. The Microdesmidae family is distributed in tropical and subtropical waters of the Atlantic, Indian, and Pacific Oceans. These fishes prefer shallow waters where they burrow in the sediment and feed on small invertebrates. The wormfishes have a flattened head, a long, slender body, and tapering tail. Some synonyms for the Family Microdesmidae are wormfish family, sand divers, and sleeper gobies. All in all, these fishes are fascinating creatures that play an important role in the marine ecosystem.