The term TYPE OF CRUSTACEAN can be answered with the 6-letter word ISOPOD. Isopods are a type of crustacean, which are aquatic arthropods that have a hard exoskeleton and jointed appendages. They are related to shrimp, crabs, and lobsters, and are found in both marine and freshwater habitats. Isopods are usually small, ranging from 1 to 30 millimeters in length, and can be found in a variety of colors.