Crane, J. (1941) Eastern Pacific Expeditions of the New York Zoological Society. XXVI. Crabs of the genus Uca from the west coast of Central America. Zoologica NY 26(3):145–208.
Purple fiddler crabs indicate locations where this species is found according to the scientific record; blue fiddler crabs surrounded by a dashed circle indicate the same but for larger, general regions; green fiddler crabs indicate “research grade” observations imported from iNaturalist; yellow circles with a question mark indicate questionable records of this species from the scientific record; and red circles with an x indicate false or mistaken records from the scientific record.