Small fiddler crabs out on the mudflat during low tide. (photos also posted on bowerbird.org.au)
Small crab out feeding on the mudflat during low tide. (photo also posted on bowerbird.org.au)
A male Atlantic Sand Fiddler Crab at Warwick City Park.
Carried in on trash from coastal cleanup.
Male fiddler crav inhabitant from Randall's Island Salt Marsh.
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...