Galapagos Species Database
The Galapagos Species Database shares the information about the species from our Natural History Collections.
Polyonyx nitidus
cangrejo porcelana, Porcelain crab
Caparace width to 7 mm.
Subtidal in rocky areas and remain of barnacle and coral.
Domain
Eukaryota
Kingdom
Animalia
Phylum
Arthropoda
Class
Malacostraca
Order
Decapoda
Suborder
Pleocyemata
Superfamily
Galatheoidea
Family
Porcellanidae
Genus
Polyonyx
Species
nitidus
Taxon category: Accepted
Origin: Native
Map of specimen collection localities or observation records for this species in our collections database.
Distribution: Gulf of California and 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.
- 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, Polyonyx nitidus", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=8451. Accessed 4 November 2026.