Family Congridae is a taxonomic family of eels that includes several species of marine elongated fishes. These eels have a snake-like appearance and are found in various habitats such as coral reefs, sandy bottoms, and rocky shores. Some synonyms for the Family Congridae include snake eels, marine eels, sand eels, and worm eels. While they may be similar in appearance, each species within the family has specific characteristics that set them apart. For instance, the Garden eel is known for its long, slender body and spends its life buried in sandy burrows. In contrast, the Conger eel is a larger species that often resides in rocky terrain and can grow up to 2 meters in length. Regardless of their differences, all members of the Family Congridae play a vital role in the marine ecosystem.