You can find fiddler crabs in West Africa, the Eastern Pacific, the Western Atlantic and the Indo-Pacific. The fiddler crab lives in a moist habitat with many dens where they can hide. They are often seen digging holes in the sand to make homes. They live in sandy beaches, mangroves, salt marshes and muddy beaches of West Africa, the Western Atlantic, the Eastern Pacific and the Indo-Pacific, fiddler crabs are easily recognized by their distinctively asymmetric claws.
Fiddler crabs are characterized by a rectangular shell and a narrow abdomen, which is flexed under the body. They are called fiddler crabs because the males have one enormous claw, held in front of the body like a fiddle. A fiddler crab is a small crab that walks sideways. The male has one giant claw but the female doesn't.
In the wild fiddler crabs eat algae. Fiddler crabs are scavengers and feed on organic matter that are found on the surface of rocks and mud. Fiddler crabs as with most crabs are not picky eaters.
Did you know?
Males have one large claw and one small claw. Females' claws are the same size.