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 / 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.

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

Juergen 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

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

Juergen 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

Magnus Lundgren / Soft coral (Dendronephthya sp,), close up, Iris Strait, Triton Bay, Indonesia, Pacific Ocean.

Magnus Lundgren / Soft coral (Dendronepthya sp) garden, Iris Strait, Triton Bay, Indonesia, Pacific Ocean.

Henley Spiers / Vibrant pink and purple soft corals (Dendronephthya sp.) on a near vertical underwater wall, Molaboal, Cebu, Philippines, Pacific Ocean.

Alex Mustard / Red soft coral (Dendronephthya sp.) grows on mangrove roots beneath the forest. Nampale Islands, Misool, Raja Ampat, West Papua, Indonesia. Tropical West Pacific Ocean.

Pascal Kobeh / A coral reef drop off with soft corals (Dendronephthya sp.) and Jewel fairy basslets (Pseudanthias squamipinnis), Red Sea, Egypt.

Pascal Kobeh / A coral reef with soft corals (Dendronephthya sp. and Scleronephthya sp.), hard corals (Acropora sp. and Porites sp.), fire corals (Millepora tenella) and Jewel fairy basslets (Pseudanthias squamipinn...

Pascal Kobeh / Allied cowrie (Primovula roseomaculata) on a soft coral (Dendronephthya sp.), Indonesia, Sea of Flores

Pascal Kobeh / Barrel sponges (Xestospongia testudinaria) with soft corals (Dendronephthya sp.) and divers in the background, Indonesia, Sea of Flores

Alex Mustard / Colourful coral reef wall, with orange scalefin anthias (Pseudanthias squamipinnis) swarming over red, orange and pink soft corals (Dendronephthya sp.) in a current, with a lone bullethead parrotfish...

Alex Mustard / Reef scene with an orange soft corals (Scleronephthya sp.), pink and red soft corals (Dendronephthya sp.) and red sea fan (Melithaea sp.) with schooling silversides above. Pelee Island, Misool, Raja A...

Brandon Cole / Soft corals (Dendronephthya sp.) and Fire coral (Millepora sp.) with Scalefin anthias (Pseudanthias squammipinnis), Ras Mohammad National Park. Egypt, Red Sea.

Brandon Cole / Soft corals (Dendronephthya sp.) thrive on a reef wall at 25 meters deep in Ras Mohammad National Park. The golden fish are Scalefin Anthias (Pseudanthias squammipinnis), also called Lyretail Anthias,...

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 lobsters (Galathea sp) camouflaged on Soft coral (Dendronephthya sp). Pantar, Alor Archipelago, Lesser Sunda Islands, 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.