From the archive record
Fiddler crabs burrows on the mudflat to protect and defend themselves from aquatic predators. They feed with their smaller claw to pick up the chunk of sediments from the ground to mouth making it a detritivores(that obtain nutrients by consuming, decomposing plant and animal parts as well as feces). A fiddler crab, sometimes known as a calling crab, may be any of approximately 100 species of semi-terrestrial marine crabs which make up the genus Uca. As members of the family Ocypodidae, fiddler crabs are most closely related to the ghost crabs of the genus Ocypode. This entire group is composed of small crabs -- the largest being slightly over two inches across. Fiddler crabs are found along sea beaches and brackish inter-tidal mud flats, lagoons and swamps. Fiddler crabs are most well kno