Fred Bavendam / Fusilier (Caesio sp) school streaming over a vast field of Disc Coral (Turbinaria reniformis), Manado, Sulawesi, Indonesia

Pascal Kobeh / Cup coral (Turbinaria mesenterina) housing Blackblotch or blackspot squirrelfish (Sargocentron melanospilos) and a longfin bannerfish (Heniochus acuminatus), New Caledonia, Pacific Ocean.

Alex Mustard / Yellow cabbage coral (Turbinaria reniformis) growing on a coral reef, surrounded by scalefin anthias: Pseudanthias squamipinnis. Ras Mohammed National Park, Sinai, Egypt. Red Sea

Gary Bell/ Oceanwide / Disc Coral (Turbinaria reniformis) and Banana Fusilier (Pterocaesio pisang) school, Great Barrier Reef, Australia

David Fleetham / Lettuce coral (Turbinaria sp) in reef, Fiji.

Linda Pitkin / Coral reef with Anthias fish (Pseudanthias squamipinnis) and Twotone chromis (Chromis dimidiata) around Yellow scroll coral (Lettuce coral) (Turbinaria reniformis). With diver Jackson Reef, Straits...

Linda Pitkin / Coral reef with Anthias fish (Pseudanthias squamipinnis) and Twotone chromis (Chromis dimidiata) around Yellow scroll coral (Lettuce coral) (Turbinaria reniformis) Jackson Reef, Straits of Tiran, R...

Norbert Wu / Disc Coral (Turbinaria reniformis) reef, Papua New Guinea

Tony Wu / Cabbage coral (Turbinaria reniformis) surrounded by basslets, damsels and other tropical reef fish, Normanby Island in Milne Bay, Papua New Guinea

Georgette Douwma / Ribbon sweetlips (Plectorhinchus polytaenia) on cleaning station in (Turbinaria sp) coral, Raja Ampat, West Papua, Indonesia.

Juergen Freund / Cabbage corals (Turbinaria reniformis) with diver in background, Buyat Bay, North Sulawesi, Indonesia. October 2009.

Pascal Kobeh / Hard corals (Turbinaria reniformis) and Soft corals (Scleronephthya ) with Giant squirrelfish (Sargocentron spiniferum) and Oriental sweetlips (Plectorhinchus vittatus) Palau. Philippine Sea.

Alex Mustard / Split level view of coral reef with corals (Acropora sp.) and Sargassum seaweed (Turbinaria decurrens) at sunset. Abu Nuhas, Egypt. Strait of Gubal, Red Sea.

Juergen Freund / Vast fields or colonies of Lettuce coral (Turbinaria sp) North Sulawesi, Indonesia.

Jeff Rotman / Yellow Turbinaria coral (Turbinaria reinformis) Egypt, Red Sea

Juergen Freund / Lettuce coral {Turbinaria reniformis} Great Barrier Reef, Australia

Chris Newbert / Sea Fan (Melithaea sp) group on Disc Coral (Turbinaria reniformis), Indonesia

Chris Newbert / Bowl Coral (Turbinaria peltata), Indonesia

Michele Westmorland / Hard coral detail (Turbinaria frondens) House Reef at the Jetty, Tufi, Oro Province, Papua New Guinea

Michele Westmorland / Hard coral detail (Turbinaria frondens) House Reef at the Jetty, Tufi, Oro Province, Papua New Guinea

Michele Westmorland / Hard coral detail (Turbinaria frondens) House Reef at the Jetty, Tufi, Oro Province, Papua New Guinea

Michele Westmorland / Small goby (Eviota sp) on hard coral (Turbinaria frondens) House Reef at the Jetty, Tufi, Oro Province, Papua New Guinea

Michele Westmorland / Hard coral (Turbinaria frondens) House Reef at the Jetty, Tufi, Oro Province, Papua New Guinea

Tim Laman / Lettuce Corals (Turbinaria sp.) sheltering Bronze Soldierfish (Myripristis adusta) and other Soldierfish species. Republic of Palau. December 2001.

Juergen Freund / Diver over Cabbage coral field {Turbinaria sp} Indo-Pacific

Jeff Rotman / Yellow Lettuce Turbinaria Coral (Turbinaria reniformis) in coral reef. Egypt, Red Sea.

GEORGETTE DOUWMA / Polyps of Plate (Turbinaria) coral {Turbinaria genus}, Sulawesi, Indonesia RS

Dan Burton / Diver swimming over reef of hard coral {Turbinaria mesenterina} Red Sea, Egypt

Juergen Freund / Cabbage coral field {Turbinaria sp} Papua New Guinea

Fred Bavendam / Disc Coral (Turbinaria reniformis) most exhibiting partial or total bleaching, Kimbe Bay, Papua New Guinea

Chris Newbert / Cabbage Coral (Turbinaria sp) underwater, Papua New Guinea

Birgitte Wilms / Disc Coral (Turbinaria reniformis) garden, 30 feet deep, Papua New Guinea

Norbert Wu / Disc Coral (Turbinaria reniformis) provides shelter for squirrelfish, Ulong Channel, Palau

Fred Bavendam / Soft Coral (Ctenocella sp) colony growing amidst large plates of Cabbage Coral (Turbinaria sp), Kimbe Bay, Papua New Guinea

Fred Bavendam / Cabbage Coral (Turbinaria sp) and Stony Coral (Acropora sp) with fish in reef, Papua New Guinea

Fred Bavendam / Soft Coral (Ctenocella sp) colony growing amidst large plates of Cabbage Coral (Turbinaria sp), Kimbe Bay, Papua New Guinea

Jeff Rotman / Finger-like towers of Staghorn coral (Tubinaria mesenterina), Red Sea, Egypt

Jeff Rotman / Stacked plates of Yellow stony coral (Tubinaria mesenterina), Red Sea, Egypt

GEORGETTE DOUWMA / Stony coral {Acropora sp} + Yellow plate coral {Turbinaria sp} Red Sea

GEORGETTE DOUWMA / Polyps of plate coral, Sulawesi, Indonesia

Norbert Wu / Yellowstripe Anthias (Pseudanthias tuka) school in Disc Coral (Turbinaria reniformis) reef, Papua New Guinea

Norbert Wu / Disc Coral (Turbinaria reniformis) reef, Papua New Guinea

Norbert Wu / Disc Coral (Turbinaria reniformis) reef, Papua New Guinea

Pete Oxford / Cabbage Coral (Turbinaria sp), Raja Ampat Islands, Indonesia

Joel Sartore / Photo Ark / Disc coral (Duncanopsammia peltata) on black background, Fort Wayne Children's Zoo.

David Fleetham / Substantial colony of Lettuce coral (Turbinaria sp.) forming large section of reef in shallow waters, using as much sunlight as possible and maximizing polyp growth. Diver and fish visible in backgrou...

David Fleetham / Spherical colony of Lettuce coral (Turbinaria reniformis) on seabed, Fiji, Pacific Ocean.

Noemie Stroh / Yellow scroll coral (Turbinaria reniformis) surrounded by colourful reef fish, Jackson Reef, Red Sea, Egypt, September.

Shane Gross / A Giant clam (Tridacna gigas) surrounded by Lettuce coral (Turbinaria reniformis), Kosrae, Micronesia.