Every ocean of the world has crabs in it. Some live in shallow waters, close 1 land. Others live in deep waters, far out at sea. But not all crabs live in the ocean. Some crabs live 2 land.
All the crabs have legs which bend the way our arms do 3 the elbows. Their front legs are large, 4 strong claws on the ends. These are called pincers. The pincers are used for catching and killing small animals. They are also used for digging and fighting.
The crab is covered with a hard shell. This keeps it safe from some of its enemies, but not from people. All 5 the world, the crab is favourite seafood. Crab fishermen use large nets to catch this hard-shelled animal of the sea.