Hermit Crabs switch to bigger abandon shells as they grow larger. Crabs can regenerate legs or claws when they are lost. Crabs live in the ocean, on land and in trees. Ghost Crabs are white in color and come out at night. Crabs are an excellent food source and are held high on the list of food delicacies and play a significant economic role in commercial businesses.
Crabs are fun, enlightening, exciting, interesting and educational.
Classification of a Crab in the Animal Kingdom Scientists classify animals, called taxonomy, by separating them according to their differences and by grouping them according to their likenesses. It is a logical way to show how animals are related to each other. Divides the kingdom into more than 20 phyla. There are 4,500 different crabs. Largest one is the Giant Spider Crab of Japan and the smallest is the Pea Crab which lives in a live oyster shell.