Gecarcoidea

Gecarcoidea is a genus of terrestrial crabs. The crabs live in forests but must come to the coast to breed. When it is dry in the summer the crabs are inactive, but when it is the wet season they are ready to migrate.

Gecarcoidea
Christmas Island red crab
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Malacostraca
Order:	Decapoda
Suborder:	Pleocyemata
Infraorder:	Brachyura
Family:	Gecarcinidae
Genus:	Gecarcoidea H. Milne-Edwards, 1837
Synonyms [1]
Pelocarcinus H. Milne-Edwards, 1853 Hylaeocarcinus Wood-Mason, 1873 Limnocarcinus De Man, 1879

The following species are recognised:^[1][2]

Image	Name	Common name	Distribution
	Gecarcoidea humei (Wood-Mason, 1874)
	Gecarcoidea lalandii H. Milne-Edwards, 1837	Andaman Islands purple crab	the Indo-Pacific from the Andaman Islands and eastwards
	Gecarcoidea natalis Pocock, 1889)	Christmas Island red crab	Christmas Island and Cocos (Keeling) Islands