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

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

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

Brandon Cole / Scalefin Anthias (Pseudanthias squammipinnis) male swimming over Cabbage Coral (Turbinaria cf. reniformis). Egypt, Red Sea.

Brandon Cole / Klunzinger's wrasse (Thalassoma rueppellii) swimming over Cabbage coral (Turbinaria cf. Reniformis). Egypt, Red Sea.

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

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...

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

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.

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

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

Brandon Cole / Cabbage coral (Turbinaria cf. reniformis) Australia, Pacific Ocean. NOT FOR SALE IN THE USA

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

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

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

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

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

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

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

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