a field crab shows an expression ready to attack.

animal attack background beach beautiful black brown chesapeake claw closeup coast color colorful convexa crab crabs crustacean delicacy ecuador expression eyes fiddler field food galapagos gecarcinucidae ghost grapsus has healthy holding life luxury macro meat mother mud name natural nature ocean orange outdoor parathelphusa predators protect ready red sand sawah scientific sea seafood shellfish shows small steamed this tropical water wild wildlife yellow young yuyu