Tunnelling mud crab

The tunnelling mud crab, Austrohelice crassa, is a marine large-eyed crab of the family Grapsidae, endemic to the sea coasts of New Zealand. Their carapace width is up to 40 mm.^[2]

Tunnelling mud crab
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Malacostraca
Order:	Decapoda
Suborder:	Pleocyemata
Infraorder:	Brachyura
Family:	Varunidae
Subfamily:	Cyclograpsinae
Genus:	Austrohelice K. Sakai, Türkay & Yang, 2006 [1]
Species:	A. crassa
Binomial name
Austrohelice crassa (Dana, 1851)
Synonyms
Helice crassa Dana, 1851 [1] Helice lucasi H. Milne-Edwards, 1853 [1]