Also called Mole Crabs, Beach Fleas, Sand Bugs, Sand crabs and Sand Fiddlers, the Atlantic Sand crab is a small (1 inch in length or less), gray-tan colored crab with very short legs that they use to dig down backwards into the sand. Found along the Atlantic and Gulf coasts, this mole-like crab will burrow backwards into the sand and extend its antennae above ground. This enables it to snag and filter algae and plankton as the waves wash overhead. Its sandy color keeps it camouflaged, allowing it to hide from predators such as shorebirds and gulls, Blue and Ghost crabs, and some fish.
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Atlantic Sand Crab