Crustaceans: Crabs

Crabs, lobsters, shrimps, and wood lice are among the best-known crustaceans , but the group also includes an enormous variety of other forms without popular names. Many crustaceans are consumed by humans, and nearly 10,700,000 tons were harvested in 2007; the vast majority of this output is of decapod crustaceans : crabs, lobsters, shrimp, crawfish, and prawns. [75] Crustaceans belong to the subphylum Crustacea and form a large, diverse group of arthropods. This include decapods, seed shrimp, branchiopods, fish lice, krill, remipedes, isopods, barnacles, copepods, opossum shrimps, amphipods and mantis shrimp. Learn about crustaceans , a large, diverse group of invertebrates with two-parted limbs and exoskeletons. Find out their common characteristics, how they reproduce and larvae, and see examples of different crustacean species.