Birgitte Wilms / Tube-dwelling Anemone, detail of tentacles, Indonesia

Chris Newbert / Detail of anemone tentacles, Indonesia

Chris Newbert / Sea Squirt (Didemnum molle) group and Gorgonian Wrapper (Nemanthus annamensis) sea anemone, Indonesia

Chris Newbert / Gorgonian Wrapper (Nemanthus annamensis) anemone with extended tentacles, Indonesia

Fred Bavendam / Anemone Hermit Crab (Dardanus pedunculatus) carrying Sea Anemones on its shell for protection from predators, Bali, Indonesia

Fred Bavendam / Anemone Hermit Crab (Dardanus pedunculatus) carries Sea Anemones on its shell for protection from predators, Bali, Indonesia

Fred Bavendam / Anemone Hermit Crab (Dardanus pedunculatus) with Sea Anemones on its shell, Manado, North Sulawesi, Indonesia

Chris Newbert / Sea anemone with tentacles exteneded to feed, Indonesia