👉 Sophrochaeta is a type of crustacean, commonly known as a shrimp or oyster, belonging to the family Crustacea. They are aquatic invertebrates and are characterized by their thick shell and large size, often reaching up to 3 inches long. Their primary role is to feed on small organisms such as plankton and algae, and they can be found in freshwater environments like lakes, rivers, and streams.