👉 Eustaces, also known as eustaceans or eustacians, are a group of animals that live in the tropical forests and savannas of southern Africa. They are characterized by their distinctive long, curved necks, which they use to reach out for food and water. The term "eustacies" is derived from the Latin word "eus," meaning "long," and "taces," meaning "neck." These animals live in a variety of habitats, including forests