Galapagos Species Database
The Galapagos Species Database shares the information about the species from our Natural History Collections.
Leptuca helleri
Cangrejo violinista de Heller, Heller's fiddler crab, fiddler crab
(U. helleri) Found in supratidal and beach areas, lives in burrows on tidally flooded mud flats.
Domain
Eukaryota
Kingdom
Animalia
Phylum
Arthropoda
Class
Malacostraca
Order
Decapoda
Suborder
Pleocyemata
Superfamily
Ocypodoidea
Family
Ocypodidae
Genus
Leptuca
Species
helleri
Taxon category: Accepted
Syn.: Uca (Leptuca) helleri Rathbun, 1902, Uca helleri Rathbun, 1902 (Horton et al., 2021)
Origin: Native
Map of specimen collection localities or observation records for this species in our collections database.
Distribution: (U. helleri) Fernandina, Genovesa, Santa Cruz, Isabela
- Constant, P. (2007) Marine Life of the Galapagos. The Diver's guide to Fishes, Whales, Dolphins and marine Invertebrates, 307 pp.
- Garth, J.S. (1991) Taxonomy, Distribution, and Ecology of Galápagos. Brachyura. In: James, M.J. (ed.): Galápagos Marine Invertebrates. Taxonomy, Biogeography, and Evolution in Darwin's Islands. Plenum Press. New York and London, p. 123-155.
- Horton, T. Horton, T., Kroh, A., Ahyong, S., Bailly, N., Boyko, C. B., Brandão, S. N., Gofas, S., Hooper, J. N. A., Hernandez, F., Holovachov, O., Mees, J., Molodtsova, T. N., Paulay, G., Decock, W., Dekeyzer, S., Poffyn, G., Vandepitte, L., Vanhoorne, B., Adlard, R., ... Zhao, Z. (2021) World Register of Marine Species. Available from https://www.marinespecies.org at VLIZ.
- Peck, S.B. (1994) Diversity and zoogeography of the non-oceanic Crustacea of the Galápagos Islands, Ecuador (excluding terrestrial Isopoda). Canadian Journal of Zoology 72: 54-69.
You are welcome to download and use the information found in this page, acknowledging its source.
This page should be cited as follows:
"Galapagos Species Database, Leptuca helleri", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=19940. Accessed 5 June 2026.