Crab belong to the phylum arthropods, class crustaceans, pods, higher crustaceans, the group of decapod crustaceans (Decapoda). These animals are found almost everywhere on earth. Do crabs have five pairs of legs, the first pair a long time will prevail in MOE cliche. The dimensions of the crabs vary depending on the species. Usually the share Panther crab is from 2 to 30 cm. Crab relatives beads for clothes. At first glance, they are distinguished from cancer by the lack of "masters" brush. In fact, the abdomen of crabs is, but it is very male and bent under the chest: D the belly is in the pH Hiking! Crab could not become a purely Semi Riot, their lives are connected with water, only there they can multiply. There are about four hundred different species of crabs living in the ocean, in red cases on sue. Almost all crab live in water and Yes, through the Bank, as well as fish. Some Crab swim on the surface of the sea, others move on do, and some live under the can and on