Juergen Freund / Zebra / Adam's urchin crab with eggs (Zebrida adamsii) on Fire sea urchin (Mespilia globulus), Komodo NP, Indonesia, Indo-pacific.

Chris Newbert / Coleman's Shrimp (Periclimenes colemani) and Adam's Urchin Crab (Zebrida adamsii) on Fire Urchin (Asthenosoma varium), Indonesia

Georgette Douwma / Adam's urchin crab (Zebrida adamsii) on Fire urchin (Asthonosoma varium), Rinca, Indonesia

Georgette Douwma / Adam's urchin crab (Zebrida adamsii) on Fire urchin (Asthenosoma varium), Rinca, Indonesia

Georgette Douwma / Two Adam's urchin crabs (Zebrida adamsii) on Fire urchin (Asthonosoma varium), Rinca, Indonesia

GEORGETTE DOUWMA / Adam's Urchin crabs (Zebrida adamsii), pair on a False fire urchin (Astropyga radiata). Lembeh Strait, North Sulawesi, Indonesia

Constantinos Petrinos / Adam's urchin crab {Zebrida adamsii} on sea urchin {Astropyga radiata} Indonesia, Sulawesi

Norbert Wu / Adam's Urchin Crab (Zebrida adamsii) living among venomous spines of sea urchin, Komodo Island, Indonesia

Constantinos Petrinos / Adams urchin crab {Zebrida adamsii} on sea urchin {Astropyga radiata} Indonesia