Shane Gross / Pygmy seahorse (Hippocampus bargibanti) holding on to a branch of a sea fan coral. Malapascua, Philippines.

David Fleetham / Bargibant's pygmy seahorse (Hippocampus bargibanti) wrapped around Eye fan coral (Cnidaria sp). Philippines.

Alex Mustard / Close up of tiny (10mm) Pygmy seahorse (Hippocampus bargibanti) living disguised in Muricella sp. sea fan. Bitung, North Sulawesi, Indonesia. Lembeh Strait, Molucca Sea.

Juergen Freund / Gorgonian fan coral with Featherstar / crinoid attached, West New Britain, Papua New Guinea.

Juergen Freund / Gorgonian fan coral with crinoids / featherstars, Kimbe Bay, West New Britain, Papua New Guinea

Fred Bavendam / Crescent-tail Bigeye (Priacanthus hamrur) in front of a sea fan, Uepi Island, Solomon Islands

Chris Newbert / Fan Coral (Melithaea sp) group and Feather Star (Oxycomanthus bennetti), Solomon Islands

Chris Newbert / Soft Coral (Dendronephthya sp) outcroppings, Sea Fan (Subergorgia sp) and Glassfish (Parapriacanthus ransonneti)

Chris Newbert / Feather Star (Colobometra perspinosa) on Sea Fan (Melithaea sp) and Leather Coral (Sarcophyton sp) 70 Feet Deep, Solomon Islands

Norbert Wu / Flamingo Tongue Snail (Cyphoma gibbosum) feeding on Common Sea Fan (Gorgonia ventalina) showing deep purple tone where the Sea Fan has released protective compounds, Saba, Caribbean

Fred Bavendam / Cowry living on Sea Fan (Solenocaulon sp), Bali, Indonesia

Fred Bavendam / Pygmy Seahorse (Hippocampus bargibanti) clinging to a Gorgonian Coral Fan, Lembeh Straits, Sulawesi, Indonesia