EVERYDAY SCIENCE

Detailed explanation-1: -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.

Detailed explanation-2: -Crabs. Crabs belong to the subphylum Crustacean, the largest group of marine arthropods, which also includes lobster, shrimp, and krill, a shrimp-like crustacean. Crabs move sideways, walking on four pairs of legs, and holding their two legs with claws away from their body.

Detailed explanation-3: -Crustaceans are a very diverse group of invertebrate animals which includes active animals such as the crabs, lobsters, shrimp, krill, copepods, amphipods, and more sessile creatures like barnacles.

Detailed explanation-4: -The most well-known crustaceans belong to the Decapod order and are also some of the largest. These include lobsters, crabs, shrimp, prawns and crayfish.

Detailed explanation-5: -Crustaceans (Crustacea, /krəˈsteɪʃə/) form a large, diverse arthropod taxon which includes such animals as decapods, seed shrimp, branchiopods, fish lice, krill, remipedes, isopods, barnacles, copepods, amphipods and mantis shrimp.