crustacean

/kɹʌstˈe‍ɪʃən/

/kɹəˈsteɪʃən/

Crustacean

any aquatic arthropod that has a hard outer shell or exoskeleton, such as a lobster, crab, etc.

crustacean

of or belonging to the class Crustacea

Examples

1. Crustaceans tuck into nooks and crannies in the coral.

2. Most crustaceans only invest a small amount of care in their offspring.

3. Some crustaceans seek refuge on anemones and sea urchins.

4. These crustaceans include crabs, lobsters, and shrimp.