Fiddler Crabs

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The group of crabs known as fiddler crabs actually encompasses over 90 species and subspecies of the genus Uca that come from a variety of locations. Males and females are quite easily distinguished by their claws - the females have small claws, but the males have one very large claw (see photos of males and females). The largest fiddler crabs only reach a mature size of about 2 inches across their
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