What is Crustacea?
Crustacea meaning a subphylum of Arthropoda that includes shrimp, mantis shrimp, lobsters, crabs, water fleas, copepods, crayfish and wood lice. There are almost 40,000 described species of crustaceans. The Crustacea are mainly aquatic, but include some semi-terrestrial and terrestrial groups
A marine shrimp (Crustacea).
reference: Coral Reef Information System – GlossaryWhat is