Galapagos Species Database
The Galapagos Species Database shares the information about the species from our Natural History Collections.
Pilumnus pygmaeus
cangrejo guijarro, Pebble crab
Caparace width to 3.3 mm.
Littoral and Sublittoral to 25 m. Accord to Garth (1991) was registered for Gulf of California and Panamic.
Domain
Eukaryota
Kingdom
Animalia
Phylum
Arthropoda
Class
Malacostraca
Order
Decapoda
Suborder
Pleocyemata
Superfamily
Pilumnoidea
Family
Pilumnidae
Genus
Pilumnus
Species
pygmaeus
Taxon category: Accepted
Origin: Endemic
Map of specimen collection localities or observation records for this species in our collections database.
Distribution: Ecuador (Galapagos Islands)
- Appeltans, W. Bouchet, P., Boxshall, G.A., Fauchald, K., Gordon, D.P., Hoeksema, B.W., Poore, G.C.B., van Soest, R.W.M., Stöhr, S., Walter, T.C., Costello, M.J. (eds.) (2010) World Register of Marine Species (WoRMS). Available online at http://www.marinespecies.org.
- Garth, J.S. (1939) New Brachyuran crabs from the Galapagos Islands. Reports in the collections obtained by Allan Hancock Pacific Expeditions of Velero III off the coast of Mexico, Central America, South America, and Galapagos Islands in 1932, in 1933, in 1934, in 1935, in 1936, in 1937, and in 1938. Allan Hancock Pacific Expeditions 5(2): 9-49., The University of Southern California Publications.
- Hickman, C.P. Jr. Zimmerman, T.L. (2000) A Field Guide to Crustaceans of Galápagos. Sugar Spring Press, Lexington, Virginia, 156 pp.
- IUCN (2010) IUCN Red List of Threatened Species. Version 2010.1. <www.iucnredlist.org>. Downloaded on 26 April 2010.
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, Pilumnus pygmaeus", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=8526. Accessed 31 October 2026.