Purple Mottled Shore Crab

Scientific name
Cyclograpsus granulosus
Common name
Purple Mottled Shore Crab
Life on the Edge
Page 20
Crabs and allies
Where to find
Under rocks at mid to high intertidal levels
The Purple Mottled Shore Crab has a distinctive purple colour, with patches of brown and yellow. The sides of the carapace are smooth and without notches. Body width to 35 mm

This common shore crab is prolific beneath the basalt boulders and can survive for several hours without water. It scavenges for food, using its claws to tear apart dead fish and rotting seaweed.