Luciano Candisani / Spotted Cleaner Shrimp (Periclimenes yucatanicus) on Giant Caribbean Anemone (Condylactis gigantea), Santa Barbara Island, Abrolhos Islands, Bahia, Brazil

Claudio Contreras / Spotted cleaner shrimp (Periclimenes yucatanicus) amongst tentacles of Giant anemone (Condylactis gigantea) Puerto Morelos National Park, Caribbean Sea, Mexico, January

Claudio Contreras / Tentacles of the Giant anemone (Condylactis gigantea) Puerto Morelos National Park, Caribbean Sea, Mexico, January

Tim Laman / Giant anemone {Condylactis gigantea} amongst the roots of Red Mangrove trees {Rhizophora mangle} in the Belize Cays, Tunicate Cove, Belize.

Tim Laman / Giant anemone {Condylactis gigantea}, Snapper fish {Lutjanidae}, sponges, tunicates and other invertebrates amongst the roots of Red Mangrove trees {Rhizophora mangle} in the Belize Cays, Tunicate Cov...

Tim Laman / Giant anemone {Condylactis gigantea}, sponges, tunicates and other invertebrate life growing on the roots of Red Mangrove trees {Rhizophora mangle} in the Belize Cays, Tunicate Cove, Belize.

Doug Perrine / Spotted cleaner shrimp {Periclimenes yucatanicus} in Giant sea anemone {Condylactis gigantea} Dominica, Caribbean

Doug Perrine / Giant sea anemone {Condylactis gigantea} Dominica, Caribbean

Norbert Wu / Giant Caribbean Anemone (Condylactis gigantea) underwater, Seychelles

Fred Bavendam / Giant Caribbean Anemone (Condylactis gigantea), Bonaire

Fred Bavendam / Giant Caribbean Anemone (Condylactis gigantea), Bonaire

Constantinos Petrinos / Sea anemone {Condylactis sp} Sulawesi, Indonesia