Chris Newbert / Underwater reef scene with Sea Whips, Gorgonian Whip Coral, blossoming Soft Corals, Guard Plate Coral, and schools of Pseudanthias, Red Sea, Egypt

Fred Bavendam / Sweeper (Parapriacanthus sp) and Basslet school (Pseudanthias sp) feeding in the currents above a coral plate covered with Crinoids, Papua New Guinea

Georgette Douwma / Sea krait {Laticauda sp} on coral reef with Sea squirts Banda, Moluccas, Indonesia {Polycarpa aurata} {Rhopalaea sp}

David Fleetham / Banded yellowlip sea snake / krait (Laticauda colubrina) in coral reef, Philippines.

David Fleetham / Yellowlip sea snake (Laticauda colubrina) on coral reef with Blue star (Linckia laevigata) Philippines. Venomous species.

Franco Banfi / Two Mushroom coral / Commensal shrimps (Cuapetes / Periclimenes kororensis) on Mushroom coral (Heliofungia actiniformis) Lighthouse Reef, Cabilao Island, Bohol, Central Visayas, Philippines, Pacific O...

Doug Perrine / Plate and Pillar coral (Porites rus) and Cauliflower coral (Pocillopora meandrina) bleached by warm sea temperatures during 2015 El Nino event, Honaunau Bay, Kona, Hawaii, USA.

Alex Mustard / Banded / Yellow lipped sea krait (Laticauda colubrina) swims over orange soft coral (Scleronephthya sp) while hunting for prey. Triton Bay, West Papua, Indonesia.

Pascal Kobeh / Commensal shrimp (Periclimenes tosaensis) in Mushroom coral (Heliofungia actiniformis) Sulu Sea, Philippines

Georgette Douwma / Peacock flounder (Bothus lunatus) just visible on seabed. Lembeh, Sulawesi, Indonesia.

Alex Mustard / Yellow lipped sea snake (Laticauda colubrina) swims on the surface above a shallow coral reef. Yanggefo Island, Gam Island, Raja Ampat, West Papua, Indonesia.

Franco Banfi / Banded sea snake (Laticauda colubrina) Crystal Bay, Nusa Penida, Bali Island, Indonesia, Pacific Ocean

Alex Mustard / Pair of courting tassled wobbegong sharks (Eucrossorhinus dasypogon) on a large circular plate coral on a coral reef. Blue Magic, Raja Ampat, West Papua, Indonesia. Dampier Strait, Tropical West Pacif...

Solvin Zankl / Tassled wobbegong shark (Eucrossorhinus dasypogon) waiting to ambush prey, camouflaged on plate coral, Raja Ampat, West Papua, Indonesia, Pacific Ocean.

Solvin Zankl / Small polyp stony coral (Montipora sp) plate form, Raja Ampat, West Papua, Indonesia, Pacific Ocean.

Solvin Zankl / Tassled wobbegong shark (Eucrossorhinus dasypogon) waiting to ambush prey, camouflaged on plate coral, Raja Ampat, West Papua, Indonesia, Pacific Ocean.

Claudio Contreras / Plate coral (Fungia sp.) Budlaan Island, Danajon Bank, Central Visayas, Philippines, April

Juergen Freund / Healthy reef with plate corals and steep drop-offs, West New Britain, Papua New Guinea.

Juergen Freund / Massive plate coral with diver for scale, North Sulawesi, Indonesia.

Juergen Freund / Looking down on healthy coral reef with tiers of plate corals and full of Damselfish and Fairy basslets, Komodo NP, Indonesia.

Juergen Freund / Healthy coral reef with tiers of plate corals and full of Damselfish and Fairy basslets, Komodo NP, Indonesia.

Juergen Freund / Vast area of plate corals (Acropora sp) in the reef, Sulawesi, Indonesia.

Juergen Freund / Healthy coral reef with tiers of plate corals and shoals of Damselfish and Fairy basslets, Komodo NP, Indonesia, Indo-pacific, August 2009.

Juergen Freund / Plate coral (Acropora sp) growing in the reef, Komodo NP, Indonesia, Indo-pacific.

Juergen Freund / Sea snake / krait (Laticauda sp) swimming underwater, Sulawesi, Indonesia, Indo-pacific.

GEORGETTE DOUWMA / Mushroom coral {Heliofungia actiniformis} with Acoel flatworms {Waminoa sp} Bunaken, Sulawesi, Indonesia

Tim Laman / Tassled Wobbegong Shark (Eucrossorhinus dasypogon) waiting to ambush prey, camouflaged on plate coral.Vicinity of Gam Island. Raja Ampat Islands, Indonesia. May 2007

GEORGETTE DOUWMA / Mushroom coral (Heliofungia actiniformis) with polyps extended, Bunaken, Sulawesi, Indonesia.

GEORGETTE DOUWMA / Close up of Mushroom coral (Heliofungia actiniformis) with polyps partially retracted. Bunaken, Sulawesi, Indonesia.

Jeff Rotman / Lettuce Plate Coral (Scleractinia sp.). Papua New Guinea.

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

Juergen Freund / Fluorescent Hard coral {Heliofungia actiniformis} seen under normal light, Papua New Guinea

Juergen Freund / Hard coral {Heliofungia actiniformis} fluorescent under UV light, Papua New Guinea

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

GEORGETTE DOUWMA / Polyps of plate coral, Sulawesi, Indonesia

Juergen Freund / Sea krait swimming. Indo-Pacific.

Juergen Freund / Plate coral view from below {Acropora sp} Indo-pacific

David Hall / A coral reef scene with red Sea fans (Melithaea sp.) and Threadfin anthias (Pseudanthias huchti). Also present are hard plate corals, Wire coral (Cirrhipathes sp.), red Encrusting sponge (Porifera), B...

Doug Allan / Banded sea snake (Laticauda colubrina) swimming down from water's surface, Raja Ampat Marine Reserve, Indonesia, Ceram Sea.

David Fleetham / Banded yellowlip sea snake (Laticauda colubrina) cruising over a shallow reef with a palm tree covered island above, Philippines, Pacific Ocean.

Shane Gross / Yellow-lipped sea krait (Laticauda colubrina) hunting over coral reef off Alor, Indonesia.

David Fleetham / A venomous Banded sea krait / Yellow-lipped sea krait (Laticauda colubrina) swimming over a coral reef, Nusa Penida, Bali, Indonesia, Pacific Ocean.

David Fleetham / Yellowlip sea snake / Banded sea krait (Laticauda colubrina) cruising over two Long-spined sea urchin (Diadema setosum) and alcyonarian soft coral, Philippines, Pacific Ocean.

Alex Mustard / Rich coral garden with hard corals (plate coral: Montipora sp.; staghorn coral: Acropora sp.) and lots of Lemon damselfish (Pomacentrus moluccensis). Ruvus Island, Piaynemo Island, Raja Ampat, West Pa...

Pascal Kobeh / Banded sea snake / banded sea krait (Laticauda colubrina) on the reef, Indonesia, Sea of Flores

Juergen Freund / Plate coral (Acropora sp) with diver in background. Taken with fish eye lens. Indonesia. 2018.

Alex Mustard / Detail of a plate forming Hard coral (Echinopora sp.) on a coral reef. Dayang Island, Batanta, Raja Ampat, West Papua, Indonesia. Dampier Strait. Tropical West Pacific Ocean.

Doug Perrine / Bleached coral reef with dead Cauliflower coral (Pocillopora grandis) in middle of large Plate and pillar coral (Porites rus). Bleached by high ocean temperatures during El Nino event. Honaunau Bay, K...

David Fleetham / Plate and pillar coral (Porites rus) Kona Coast, Big Island, Hawaii.

David Fleetham / Close up image of a Commensal egg shell shrimp, (Hamopontonia corallicola) camouflaged in the tentacles of its host a short tentacle plate coral, (Heliofungia actiniformis0 Yap, Micronesia.