Key Characteristics
Hard exoskeleton
Jointed legs
Compound eyes
Two pairs of antennae
Habitat
Oceans, seas, and freshwater environments
Conservation Status
Some species are threatened by overfishing and habitat loss
Crustaceans
Crustaceans are arthropods with hard exoskeletons and jointed appendages. They include crabs, lobsters, shrimp, and many smaller species.