Alex Mustard / Colourful reef scene with Leather corals (Sarcophyton sp.), Soft corals (Dendronephthya sp.) Seafans (Melithea sp.) and fish, including Magenta slender anthias (Luzonichthys waitei) and Scalefin anthi...

Alex Mustard / Common ghostgoby (Pleurosicya mossambica) with another fish in its mouth on soft coral (Dendronephthya sp.). Tulamben, Bali, Indonesia. Java Sea

Alex Mustard / Busy coral reef community feeding on plankton, with Scalefin anthias (Pseudanthias squamipinnis), Soft corals (Dendronephthya sp.) and Fire corals (Millepora dichotoma), making up classic Red Sea scen...

Alex Mustard / RF- School of Scalefin anthias (Pseudanthias squamipinnis) on reef in the current feeding on plankton, with soft corals (Dendronephthya spp.) and fire coral (Millepora dichotoma) Jackson Reef, Strait...

Alex Mustard / Busy coral reef community feeding on plankton, with Scalefin anthias (Pseudanthias squamipinnis), Soft corals (Dendronephthya sp.) and Fire corals (Millepora dichotoma) Ras Mohammed Marine Park, Sinai...

Georgette Douwma / Coral reef scenery with a pair of Red Sea raccoon butterflyfish (Chaetodon fasciatus), Pygmy sweepers (Parapriacanthus guentheri) and soft corals (Dendronephthya sp) Egypt, Red Sea.

Georgette Douwma / Lyretail anthias / Goldies (Pseudanthias squamipinnis) over coral reef with soft corals (Dendronephthya sp) Egypt, Red Sea.

Franco Banfi / Close up detail of soft coral (Dendronephthya sp.) Maldives, Indian Ocean

Brandon Cole / Leather Coral (Sinularia flexibilis) above soft corals (Dendronephthya sp.). Fiji, tropical Pacific Ocean.

Jeff Rotman / Alcyonarian Coral (Dendronephthya spp.) polyps open and feeding. Red Sea, Egypt.

Georgette Douwma / Soft Coral (Dendronephthya sp) with Blueline snappers (Lutjanus kasmira). Rinca, Komodo National Park, Indonesia.

Jurgen Freund / Detail of a soft coral (Dendronephthya sp). Misool, Raja Ampat, West Papua, Indonesia

Georgette Douwma / Tree coral (Dendronephthya sp) on sandy sea bed. Rinca, Komodo National Park, Indonesia

Georgette Douwma / Soft coral (Dendronephthya mucronata) on sandy seabed. Komodo National Park, Indonesia

Jurgen Freund / Soft coral crab / Dendronephthya crab (Hoplophrys oatesii) camouflaged on the tip of a soft coral. Indo-pacific

Jeff Rotman / Thorny Sea Horses (Hippocampus histrix) on Alcyonarian coral (Dendronephthya sp.). Israel, Red Sea.

Jurgen Freund / Soft coral {Dendronephthya sp} + Gorgonia fan Sulu-Sulawesi seas, Indo Pacific

Jeff Rotman / Close up of Prickly alcyonarian coral {Dendronephthya sp} Red Sea

Jeff Rotman / Prickly Alcyonarian coral {Dendronepthya sp} close-up, Red Sea

Chris Newbert / Soft Coral (Dendronephthya sp) on reef, Indonesia

Chris Newbert / Sponge (Latrunculia magnifica) surrounded by Basslet (Pseudanthias sp) and Soft Coral (Dendronephthya sp), Jackson Reef, Red Sea

Chris Newbert / Soft Coral (Dendronephthya sp) outcroppings and Basslet (Pseudanthias sp), Red Sea, Egypt

Chris Newbert / Soft Coral (Dendronephthya sp) schooling Pygmy Sweeper (Parapriacanthus ransonneti) and Lionfish (Pterois volitans)

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

Birgitte Wilms / Diana's Hogfish (Bodianus diana) and Soft Coral (Dendronephthya sp), Red Sea, Egypt

Fred Bavendam / Feather Star (Comanthina nobilis) and (Oxycomanthus bennetti) and Soft Coral (Dendronephthya sp)

Fred Bavendam / Basslet (Pseudanthias sp) school, swimming around a deep bommie with Soft Coral (Dendronephthya sp) sponge and a gorgonian sea fan, Andaman Sea, Thailand

Alex Mustard / A colourful coral pinnacle, with orange scalefin anthias (Pseudanthias squamipinnis) swarming over red and orange soft corals (Dendronephthya sp. and Scleronephthya sp.) and hard corals, in a current....

Alex Mustard / Colourful coral reef scene with Scalefin anthias (Pseudanthias squamipinnis), soft corals (Dendronepthya sp.) and hard corals (Acropora sp.). Ras Mohammed National Park, Sinai, Egypt. Red Sea

Alex Mustard / Colourful coral reef wall, with orange Scalefin anthias (Pseudanthias squamipinnis) swarming over red soft corals (Dendronephthya sp.) in a current. Ras Mohammed National Park, Sinai, Egypt. Red Sea

Pascal Kobeh / Harlequin sweetlips (Plectorhinchus chaetodonoides) and school of Yellow sweepers (Parapriacanthus ransonneti). On reef covered with Soft coral (Dendronephthya sp). Flores Sea, Indonesia.

David Hall / Squat lobster (Galathea sp) on Soft coral (Dendronephthya sp). Pantar, Alor Archipelago, Lesser Sunda Islands, Indonesia.

David Hall / Soft coral ghostgoby (Pleurosicya boldinghi) swimming through Soft coral (Dendronephthya). Shrimp and benthic Comb-jellies (Ctenophora) present, all commensal. Pantar, Alor Archipelago, Indonesia.

David Hall / Ghostgoby (Pleurosicya boldinghi) commensal on Soft coral (Dendronephthya sp). Pantar, Alor Archipelago, Indonesia.

Georgette Douwma / Kaleidoscopic image of soft corals (Dendronephthya sp.), Andaman Sea, Thailand.

Georgette Douwma / Kaleidoscopic image of Soft corals (Dendronephthya sp.) on coral reef. Thailand.

Georgette Douwma / Kaleidoscopic image of soft corals (Dendronephthya sp) and Lyretail anthias (Pseudanthias squamipinnis), Egypt, Red Sea.

Georgette Douwma / Kaleidoscopic image of soft corals (Dendronephthya sp.), Indonesia.

Georgette Douwma / Kaleidoscopic image of soft corals (Dendronephthya sp.) and a red sponge. Egypt, Red Sea.

Georgette Douwma / Kaleidoscopic image of Soft corals (Dendronephthia sp.)on coral reef. Thailand.

Georgette Douwma / Kaleidoscopic image of soft corals (Dendronephthia sp.), Thailand.

Georgette Douwma / Kaleidoscopic image of soft corals (Dendronephthia sp), Egypt, Red Sea.

Georgette Douwma / Kaleidoscopic image of soft corals (Dendronephthya sp.), Egypt, Red Sea.

Georgette Douwma / Kaleidoscopic image of Coral reef scenery with soft corals (Dendronephthya sp.) and a school of Yellowback fusiliers (Ceasio teres), West Papua, Indonesia.

Georgette Douwma / Kaleidoscopic image of Soft coral (Dendronephthya sp.). Misool, Raja Ampat, West Papua, Indonesia.

Alex Mustard / Red seafan (Melitheae sp.) and soft coral (Dendronephthya sp.) on a reef drop off, with schooling silversides (Atherinidae). Misool, Raja Ampat, West Papua, Indonesia. Ceram Sea. Tropical West Pacific...

Alex Mustard / Large reef scene on the current exposed face of a coral reef, with seafans (Melithaea sp.), soft corals (Dendronephthya spp.), sponges, coral grouper (Cephalopholis miniata), anthias, damselfish and m...

Pascal Kobeh / Coral reef with mainly soft corals (Dendronephthya sp.) Azores, Atlantic Ocean.