摘要:This study presents a taxonomic revision of the fiddler crabs of the genus Uca (Decapoda: Brachyura:Ocypodidae) captured in Ídolo Island in Tamiahua Lagoon, Veracruz, Mexico; during 9 samplings carried out betweenOctober 2008 and December 2009. The analysis of 1 071 crabs collected from 5 stations and preserved in alcohol70°, allowed the identification of 5 species to be identified: Uca panacea, U. rapax, U. spinicarpa, U. virens and U.vocator.