Adam's Urchin Crab, Indonesia Adam's urchin crab (Zebrida adamsii) on sea urchin (Astropyga radiata) Indonesia, Sulawesi
Source: Webshots Website Daily Photos CD5
Zebra crab
Scientific name: Zebrida adamsii
http://www.edge-of-reef.com/brachiuri/BRAzebridaen.htm
Small crab with a typical brown and white zebra colour pattern. Smooth carapace, whit deeply incised edge. Spiny legs and claws, the last segment of the walking legs, hook shaped, hangs the crab onto the urchin spines. Carapace lenght 2 cm.