'Although #crabs live in #water, not all crabs can #swim. Crabs are #amphibious #animals and can move through the water. Only a few crab species have the ability to swim. The majority of them move through the ocean floor by walking or running. Certain species like blue crab found in the #Atlantic coast display swimming. They use their improved rear legs to swim as they are shaped like paddles. Crabs have ten leg pairs. In this, the foremost ones are claws. Crabs of the family #Portunidae have sp