What is special about the way these crabs run?


These are Ghost Crabs, and they can run up to 10 mph, one of the fastest running crustaceans. They do that by using fewer legs. At a walk, the crab will use all 8 of its walking legs. At a "trot", it folds up one pair and runs on 6 legs. At a full run, it folds up two more legs, and runs on 4 legs. By getting the extra legs out of the way, it is able to run faster.