Shane Gross / Bubble coral shrimp (Vir philippinensis) on Bubble coral (Plerogyra sp). Anilao, Philippines.

David Fleetham / Bubble coral shrimp (Vir philippinensis) on Bubble coral (Plerogyra sp), Philippines.

Juergen Freund / Bubble coral shrimps (Vir philippinensis) on bubble coral, Irian Jaya / West Papua, Indonesia (West Papua).

Fred Bavendam / Coral Shrimp (Vir philippinensis) living on Rounded Bubblegum Coral (Plerogyra sinuosa) green spots are Acoelous Flatworms, Manado, North Sulawesi, Indonesia

Norbert Wu / Coral Shrimp (Vir philippinensis) gain protection among stinging tentacles of Bulb Tentacle Sea Anemone (Entacmaea quadricolor) filled with eggs, Philippines

Gary Bell/ Oceanwide / Coral Shrimp (Vir philippinensis) on Rounded Bubblegum Coral (Plerogyra sinuosa), Anilao, Philippines

Gary Bell/ Oceanwide / Coral Shrimp (Vir philippinensis) on Rounded Bubblegum Coral (Plerogyra sinuosa), Anilao, Philippines

David Fleetham / Bubble coral shrimp (Vir philippinensis) on Bubble coral (Plerogyra sinuosa). The brown oval objects are acoel flatworms (Waminoa sp.), Mabul Island, Malaysia.

David Fleetham / Two Commensal shrimp (Vir philippinensis) on Bubble Coral (Plerogyra sinuosa), Indonesia. The greenish brown circular markings are flatworms (Waminoa sp.)

Constantinos Petrinos / Bubble coral shrimp {Vir philippinensis} on Bubble coral {Plerogyra sinuosa} Sulawesi, Indonesia

Magnus Lundgren / Bubble coral shimp (Vir philippinensis) full of eggs, resting in Bubble coral (Plerogyra sinuosa), Triton Bay, West Papua, Indonesia, Pacific Ocean.