Juergen Freund / Coleman shrimp (Periclimenes colemani) on a Fire urchin (Asthenosoma varium) Moluccas Islands, Indonesia.

David Hall / Sea urchin shrimp on venemous urchin {Periclimenes colemani & Asthenosoma} Papua New Guinea

Alex Mustard / Pair of Coleman shrimps (Periclimenes colemani) make their home in a fire urchin (Asthenosoma varium). The female is larger. Fire urchins are one of the largest and most venomous urchins, their bright...

Alex Mustard / Pair of Coleman shrimps (Periclimenes colemani) living in a fire urchin (Asthenosoma varium). The female is the larger shrimp. Fire urchins are one of the largest and most venomous urchins, their brig...

Alex Mustard / Coleman shrimp (Periclimenes colemani) close up, on a fire urchin (Asthenosoma varium). Anilao, Batangas, Luzon, Philippines. Verde Island Passages, Tropical West Pacific Ocean.

Linda Pitkin / Coleman shrimp (Periclimenes colemani) pair on Fire urchin (Asthenosoma ijimai) Rinca, Komodo National Park, Indonesia.

Linda Pitkin / Coleman shrimp (Periclimenes colemani) on Fire urchin (Asthenosoma ijimai). Aljui Bay, Raja Ampat, West Papua, Indonesia.

David Hall / Sea urchin shrimp (Periclimines colemani) on sea urchin, Indonesia - commensalism

David Hall / Sea urchin shrimp {Periclimenes colemani} on venemous urchin {Asthenosoma} Papua New Guinea

Constantinos Petrinos / Sea urchin shrimp {Periclimenes colemani} on Sea urchin {Asthenosoma varium} Indonesia Sulawesi

Juergen Freund / Commensal Sea urchin shrimp {Periclimes colmani} amongst spines of poisonous sea urchin. Indo-Pacific

GEORGETTE DOUWMA / Sea urchin / Coleman's shrimp {Periclimenes colemani} male and female in Fire sea urchin, Indo Pacific