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 / 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...

Sirachai Arunrugstitchai / Colourful Soft corals (Dendronephthya hemprichi) with reef fishes, including Golden damselfish (Amblyglyphidodon aureus) at Hin Daeng, an underwater pinnacle that is a popular dive site in the souther...

Sirachai Arunrugstitchai / Colourful Soft corals (Dendronephthya hemprichi) with reef fishes, at Hin Daeng, Mu Koh Lanta National Park, Krabi Province, Thailand, February 2, 2019.

Sirachai Arunrugstitchai / Colourful Soft corals (Dendronephthya hemprichi) with reef fishes, at Hin Daeng, an underwater pinnacle that is a popular dive site in the southern Andaman Sea of Thailand, Mu Koh Lanta National Park,...

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 / 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.