To walk up and down the roots of mangrove very fast. Crab is a crab, the most common group. In Mangrove Area Ranging from small to very large. Crabs play an important role The decomposition of organic matter in the forest. They will eat the scraps that fall leaves. Crabs found in the mangrove forest can be classified into two groups: group crawling or running around in the forest. Which tend to avoid living on the roots of the mangrove trees, nut trees and woody coppice second group to create a hole in the ground. Or by various roots The room will look different depending on the type.