Jordi Chias / Spotted catshark (Scyliorhinus canicula) just hatched from egg case that is on Seafan (Paramuricea clavata), Ullastres seamount, Costa Brava, Llafranch, Catalunya, Spain

Alex Mustard / A diver exploring a coral reef with formation of brown tube sponges (Agelas conifera) red rope sponges (Amphimedon compressa) and deepwater sea fans (Iciligorgia nodulifera) East End, Grand Cayman, Ca...

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

Juergen Freund / Convict blennies / False catfish, juvenile, (Pholidichthys leucotaenia) amidst a fan coral. Misool, Raja Ampat, West Papua, Indonesia,

Juergen Freund / Tiny Brittlestars (Ophiuridae) wrapped around the branches of Fan coral, Misool, Raja Ampat, West Papua, Indonesia.

Juergen Freund / Denise's pygmy seahorse (Hippocampus denise) in its fan coral. Misool, Raja Ampat, West Papua, Indonesia

Juergen Freund / Fan coral (Gorgonacea) with open polyps. Misool, Raja Ampat, West Papua, Indonesia..

Juergen Freund / Tunicates / Ascidians / Sea squirts (Atriolum robustum) on a fan coral branch. Misool, Raja Ampat, West Papua, Indonesia.

Juergen Freund / Denise's pygmy seahorse (Hippocampus denise) in its fan coral. Misool, Raja Ampat, West Papua, Indonesia,

Tim Laman / Lionfish (Pterois) hovering in a Sea Fan in a view looking toward the surface of the water. Misool Island vicinity. Near smaller island of Fiabacet. West Papua, Indonesia, April 2007

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

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