genus Uca

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Noun1.genus Uca - fiddler crabsgenus Uca - fiddler crabs        
arthropod genus - a genus of arthropods
Brachyura, suborder Brachyura - an order of crustaceans (including true crabs) having a reduced abdomen folded against the ventral surface
fiddler crab - burrowing crab of American coastal regions having one claw much enlarged in the male
References in periodicals archive ?
The genus Uca and the family Sesarmidae are the two most important taxa in South African mangroves in terms of abundance (Skov et al.