uca

Noun
  1. Fiddler crabs (synset 101982694)
    is a type of: arthropod genus - a genus of arthropods
    member holonym: fiddler crab - burrowing crab of American coastal regions having one claw much enlarged in the male
    belongs to: brachyura, suborder brachyura - an order of crustaceans (including true crabs) having a reduced abdomen folded against the ventral surface
    same as: genus uca

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