Michele Westmorland / Schooling fish around healthy reef system, Castle Rock, Komodo National Park, Indonesia.

Georgette Douwma / Powder blue surgeonfish (Acanthurus leucosternon), large school swimming, Andaman Sea, Thailand

Alex Mustard / Big fin reef squid (Sepioteuthis lessoniana) descends from open water to the reef at night. Arafur Sea, Triton Bay, West Papua, Indonesia.

Juergen Freund / Green turtles (Chelonia mydas) mating over coral reef, Sipadan Island, Sabah, Malaysia, June, Endangered species

Juergen Freund / Schooling Silverside fish (Antherinidae) split level with karst limestone walls, West Papuan fisherman in boat, North Raja Ampat, West Papua, Indonesia, February 2002.

Juergen Freund / School of Yellow line / Yellowstripe scads (Selaroides leptolepis) Misool, Raja Ampat, West Papua, Indonesia

Juergen Freund / Schooling Silverside fish (Antherinidae) split level with karst limestone walls, fan coral and featherstar, North Raja Ampat, West Papua, Indonesia, February 2002.

Juergen Freund / Wonderpus (Wunderpus photogenicus) Indo-pacific.

Juergen Freund / Fisherman carrying a Spanish mackerel (Scomberomorus sp) caught off Komodo Island, Indonesia, August 2009.

Juergen Freund / Large catch of Mackerel scads (Decapterus macarellus) spread out to dry in the sun, Indonesia, August 2009

Juergen Freund / Large catch of Mackerel scads (Decapterus macarellus) spread out to dry in the sun, Indonesia, August 2009

Juergen Freund / Massive barrel sponge (Xestospongia testudinaria) and diver. Tubbataha Reef National Marine Park, Palawan, Philippines, April 2009. Model released.

Juergen Freund / Harvest of fish in a small purse seiner in an already overfished ocean. Northern Palawan, Philippines, April 2009

Juergen Freund / Land Hermit crab using a plastic bottle cap as its home. Kavieng, Papua New Guinea, June 2010

Juergen Freund / Cultured Golden South Sea pearls of the Pearl oyster (Pinctada maxima) Jewelmer pearls, Philippines

Juergen Freund / Mass of juvenile farmed Barramundi cod (Chromileptes altivelis) in cage, Indonesia.

Juergen Freund / Rangers catching a Green turtle (Chelonia mydas) for tagging and release, Tetepare Island reserve, Solomon Islands, July 2010

Juergen Freund / Split level image of Papuan fisherman standing on his dugout canoe over shallow corals, New Ireland, Papua New Guinea, June 2010

Juergen Freund / Split level image of shallow bleaching corals at sunset, New Ireland, Papua New Guinea

Juergen Freund / Split level of coral reef and island showing bleaching of shallow corals caused by temperature rise, New Ireland, Papua New Guinea June 2010.

Juergen Freund / Banded brittle star / Tiger stripe serpent star (Ophiolepis superba) on a hard coral, Papua New Guinea.

Juergen Freund / Yellowtail fusilier (Caesio cuning) being cleaned by a Bluestreak cleaner wrasse (Labroides dimidiatus) Papua New Guinea.

Juergen Freund / Brittlestar on gorgonian fan coral, Papua New Guinea.

Juergen Freund / Triplefin (Helcogramma sp) on a coral, Papua New Guinea.

Juergen Freund / Crinoids or featherstars covering a coral bommie with dive boat looming overhead, West New Britain, Papua New Guinea

Juergen Freund / Two Twinspot / Crabeye gobies (Signigobius biocellatus) West New Britain, Papua New Guinea.

Juergen Freund / Tiny reef crab on soft coral, West New Britain, Papua New Guinea.

Juergen Freund / Golden damselfish (Amblyglyphidodon aureus) tending eggs laid on a whip coral, West New Britain, Papua New Guinea.

Juergen Freund / Golden sea squirt (Polycarpa aurata) West New Britain, Papua New Guinea.

Juergen Freund / Whitetip reef shark (Triaenodon obesus) at reef, West New Britain, Papua New Guinea.

Juergen Freund / Bignose unicornfish (Naso vlamingii) swimming past coral reef, West New Britain, Papua New Guinea.

Juergen Freund / Teira batfish / Longfin spadefish (Platax teira) West New Britain, Papua New Guinea.

Juergen Freund / Great barracuda (Sphyraena barracuda) West New Britain, Papua New Guinea

Juergen Freund / Split level of solar powered gauge measuring sea temperature, West New Britain, Papua New Guinea, May 2010

Juergen Freund / True clownfish / Clown anemonefish (Amphiprion percula) amongst tentacles of anemone on reef, West New Britain, Papua New Guinea.

Juergen Freund / Bivalve mollusc lives in crevices in colonies of living hard corals. Only the the shell opening and mantle are visible, along with the minute eyes along its margin, West New Britain, Papua New Guinea.

Juergen Freund / Featherstars / crinoids attached to Gorgonian coral, West New Britain, Papua New Guinea.

Juergen Freund / Gorgonian fan coral with Featherstar / crinoid attached, West New Britain, Papua New Guinea.

Juergen Freund / Elephant ear sponge (Ianthella basta) with a Triplefin blenny resting on it, West New Britain, Papua New Guinea.

Juergen Freund / Schooling Blackfin barracuda (Sphyraena qenie) West New Britain, Papua New Guinea

Juergen Freund / Detail of Orange elephant ear sponge (Agelas clathrodes) with crinoid / featherstar attached, Kimbe Bay, West New Britain, Papua New Guinea.

Juergen Freund / Hard corals showing bleaching caused by heat stress, West New Britain, Papua New Guinea, May 2010.

Juergen Freund / Healthy coral reef in the shallows, West New Britain, Papua New Guinea.

Juergen Freund / Mermaid's wineglass algae (Acetabularia calyculus) Batangas, Philippines.

Juergen Freund / Blue-ringed octopus (Hapalochlaena lunulata) swimming through water, Batangas, Philippines

Juergen Freund / Detail of Nudibranch (Dendrodoris tuberculosa) Batangas, Philippines.

Juergen Freund / Orange cup coral (Tubastrea faulkneri) with polyps open, Batangas, Philippines.

Juergen Freund / Pfeffer's flamboyant cuttlefish (Metasepia pfefferi) hunting over coral reef, Batangas, Philippines.

Juergen Freund / Clown / Napoleon snake eel (Ophichthus bonaparti) emerging from sand, Batangas, Philippines.

Juergen Freund / Orange cup coral (Tubastrea faulkneri) detail of mouth and tentacles, Batangas, Philippines.

Juergen Freund / Manta rays (Manta birostris) at cleaning station being cleaned by wrasses, Moluccas Islands, Indonesia.

Juergen Freund / Diver holding Banded sea krait (Laticauda colubrina) South Sulawesi, Indonesia.

Juergen Freund / Hook and line fishermen in dugout canoe and self made goggles catching a coral grouper for growing on in cage for the Live reef fish trade, Wakatobi, South Sulawesi, Indonesia

Juergen Freund / Salp (Salpidae) colony with diver in the background, North Sulawesi, Indonesia.

Juergen Freund / Blue sea star on massive Boulder coral (Gardineroseris planulata) North Sulawesi, Indonesia. This coral species is normally found from the Red Sea to Central America, and is relatively uncommon in the...

Juergen Freund / Coral reef landscape with abundant whip corals, Blue sea stars and hard coral, North Sulawesi, Indonesia, October 2009.

Juergen Freund / Diver observing Coral razor / Shrimp fish (Aeoliscus strigatus) camouflaged amongst whip coral on coral reef, North Sulawesi, Indonesia. Model released.

Juergen Freund / Large round Brain coral (Platygyra lamellina) on coral reef, North Sulawesi, Indonesia.

Juergen Freund / Large round Brain coral (Platygyra lamellina) on coral reef, North Sulawesi, Indonesia.

Juergen Freund / Shoal of schooling Coral razor / Shrimp fish (Aeoliscus strigatus) with diver on hard coral reef, North Sulawesi, Indonesia.

Juergen Freund / Brown tube sponge (Agelas tubulata) in the reef, North Sulawesi, Indonesia.

Juergen Freund / Yellowtail coris / Clown wrasse (Coris gaimard) swimming fast, Bali, Indonesia.

Juergen Freund / Lunar tailed rock cod / Coronation grouper (Variola louti) swimming fast over coral reef, Bali, Indonesia

Juergen Freund / Coral reef with hard corals and cabbage coral, Komodo NP, Indonesia

Juergen Freund / Split level of dive boat "Seven Seas", coral reef and island, Komodo NP, Indonesia, August 2009.

Juergen Freund / Split level of snorkeler over coral reef on white sandy seabed contrasting with dry topside landscape in background, Komodo NP, Indonesia, August 2009. Model released.

Juergen Freund / Roots of Black mangrove tree (Avicennia germinans) Komodo NP, Indonesia, August 2009.

Juergen Freund / Caretaker transfers live fish in fish pens of Groupers / Coral trout, Live Reef Fish Trade, Tampakan, Kudat Bay, Sabah, Borneo, Malaysia, June 2009.

Juergen Freund / Gorgonian fan coral with crinoids / featherstars, Kimbe Bay, West New Britain, Papua New Guinea

Juergen Freund / Diver swimming over massive boulder / Cauliflower coral (Gardineroseris planulata) Buyat Bay, Sulawesi, Indonesia.

Juergen Freund / Massive boulder / Cauliflower coral (Gardineroseris planulata) with blue sea star, Buyat Bay, Sulawesi, Indonesia, Indo-pacific.

Juergen Freund / Detail of eye of Parrotfish (Scarus rivulatus) Komodo NP, Indonesia

Juergen Freund / Giant barrel sponge (Xestospongia testudinaria) studded with crinoids / featherstars with diver in the background, Kimbe Bay, West New Britain, Papua New Guinea.

Juergen Freund / Details of Orange elephant ear sponge (Agelas clathrodes) with crinoids / featherstars attached, Kimbe Bay, West New Britain, Papua New Guinea

Juergen Freund / Dusky garden eels (Heteroconger enigmaticus) feeding on sandy seabed, Indonesia.

Juergen Freund / Coleman shrimp (Periclimenes colemani) on a Fire urchin (Asthenosoma varium) Moluccas Islands, Indonesia.

Juergen Freund / Golden sea squirts / ascidians / tunicates (Polycarpa aurata) on coral reef, Sulawesi, Indonesia, Indo-pacfic.

Juergen Freund / View of sea surface through a Whip coral forest (Junceella sp) Kimbe Bay, West New Britain, Papua New Guinea

Juergen Freund / Detail eye and skin of a Pufferfish, West Papua, Indonesia.

Juergen Freund / Sea apple (Pseudocolochirus violaceus) with tentacles exposed, feeding, Komodo NP, Indonesia, Indo-pacific.

Juergen Freund / Sea pens (Virgularia sp) on sandy seabed, Palawan, Philippines.

Juergen Freund / Detail of Emperor angelfish (Pomacanthus imperator) Bali, Indonesia, Indo-pacific

Juergen Freund / Details of Thorny oyster (Spondylus varius) with "eyes" in its mantle edge near the shell, New Ireland, Papua New Guinea

Juergen Freund / Clown anemonefish (Amphiprion percula) on bleached coral, Komodo NP, Indonesia, Indo-pacific.

Juergen Freund / Sea squirts / ascidians / tunicates on a clam, Indo-pacific

Juergen Freund / Details of mouth of an anemone, Kimbe Bay, West New Britain, Papua New Guinea.

Juergen Freund / Siltation underwater from a river after the rains with diver, Papua New Guinea

Juergen Freund / Snowflake moray eel (Echidna nebulosa) hunting over sea rubble, West Papua, Indonesia.

Juergen Freund / Nudibranch (Jorunna funebris) feeding on its preferred sponge, Kimbe Bay, West New Britain, Papua New Guinea

Juergen Freund / Zebra / Adam's urchin crab with eggs (Zebrida adamsii) on Fire sea urchin (Mespilia globulus), Komodo NP, Indonesia, Indo-pacific.

Juergen Freund / Great barracuda (Sphyraena barracuda) with Teira batfish (Platax teira) in background, Kimbe Bay, West New Britain, Papua New Guinea.

Juergen Freund / Pink anemonefish (Amphiprion perideraion) hiding amongst the tentacles of its closed anemone host, Kimbe Bay, West New Britain, Papua New Guinea.

Juergen Freund / Horsehoe crab (Tachypleus gigas) swimming on its back with gills creating the propulsion, Palawan, Philippines. Did you know? Horseshoe crabs are more closely related to spiders than crabs.

Juergen Freund / Spine-cheek anemonefish (Premnas biaculeatus) with baby amongst anemone tentacles, Bali, Indonesia, Indo-pacific.

Juergen Freund / Lacey scorpionfish (Rhinopias aphanes) with mouth wide open, Indo-pacific

Juergen Freund / Horsehoe crab (Tachypleus gigas) underside, Palawan, Philippines