Terrapins are a type of turtle that primarily live in brackish water, which is a mix of fresh and saltwater. They belong to the family Emydidae and are known for their distinctive, patterned shells. The most well-known species is the diamondback terrapin, which is native to the coastal regions of the eastern United States. These reptiles are omnivorous, feeding on a variety of plants, insects, and small aquatic animals. Terrapins play an important role in their ecosystems by helping to maintain the balance of their habitats. They are also popular in some cultures for their meat and are often associated with southern cuisine.