Galapagos Species Checklist

Cardisoma crassum SI Smith, 1870

cangrejo azul, cangrejo terrestre gigante, cangrejo terrestre sin boca, Giant land crab, Mouthless crab

The giant land crab has an oval carapace that is wider than it is long (up to 13.2 cm). The carapace is blue-cream in color, with wide eyes placed near the sides of the body. Pincers vary between cream to yellow in color, and one pincer is larger than the other. The legs are bright red.

Taxonomy

Domain
Eukaryota

Kingdom
Animalia

Phylum
Arthropoda

Class
Malacostraca

Order
Decapoda

Suborder
Pleocyemata

Superfamily
Grapsoidea

Family
Gecarcinidae

Genus
Cardisoma

Species
crassum

Taxon category: Accepted

Syn.: Cardisoma latimanus Lockington, 1877, fide Appeltans et al. (2010)

Taxon origin: Introduced - established

Ecology

Habitat preferences: The giant land crab lives around mangrove roots where it builds its burrow in dry mud. Also found around rock crevices.

Substrate or host preferences: Mangroves, estuaries and brakish water

Feeding type: Detritivorous

Feeding preferences: Eat mangrove leaves and dead animals

Trophic role: Omnivorous

Reproduction mode: Exclusively sexual

Distribution origin: Central and south american Pacific coast from Baja California to Peru.

Introduction

Status in Galapagos: Naturalized

Year of first record: 1966

Distribution

Map of specimen collection localities or observation records for this species in our collections database.

Distribution: Native: Pacific south and central coasts of south america, from Southern Baja California, Mexico to Peru. Introduced: Galapagos Islands

References

  • Hickman, C.P. Jr. Zimmerman, T.L. (2000) A Field Guide to Crustaceans of Galápagos. Sugar Spring Press, Lexington, Virginia, 156 pp.
  • 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.
  • IUCN (2010) IUCN Red List of Threatened Species. Version 2010.1. <www.iucnredlist.org>. Downloaded on 26 April 2010.
  • Carlton, J. T. Keith, I., & Ruiz, G. M. (2019) Assessing marine bioinvasions in the Galápagos islands: Implications for conservation biology and marine protected areas. Aquatic Invasions, 14(1), 1–20. https://doi.org/10.3391/ai.2019.14.1.01

The ‘Charles Darwin Foundation for the Galapagos Islands’, in French ‘Fondacion Charles Darwin  pour les Iles Galapagos’, Association Internationale sans but lucrative (AISBL), has its registered office at Avenue Louise 54, 1050 Brussels, Belgium. Trade Registry # 0409.359.103

© 2022 Charles Darwin Foundation. All rights reserved.