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

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

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

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

Juergen Freund / Bucket of fish, crustaceans and molluscs gleaned from the sea at low tide using only a net and basket by local woman, Sulawesi, Indonesia, November 2011.

Juergen Freund / Fisherman cutting and salting his catch of fish to preserve fish for journey back to Runduma from Anano Island, Indonesia, November 2009.

Juergen Freund / Longtom fish / Needlfish for sale in the Sorong market, West Papua, Indonesia, July 2009.

Juergen Freund / Sap sucking sea slug (Elysia ornata) New Ireland, Papua New Guinea

Juergen Freund / Polyclad flatworm (Maiazoon orsaki) Papua New Guinea

Juergen Freund / Pacific horsehoe crabs (Tachypleus gigas) on sandy seabed, Palawan, Philippines.

Juergen Freund / Two blue green nudibranchs (Nembrotha milleri) Batangas, Philippines.

Juergen Freund / Bubble snail (Hydatina physis) Batangas, Philippines.

Juergen Freund / Chromodoris nudibranch (Ceratosoma trilobatum) Batangas, Philippines.

Juergen Freund / Sacoglossan sea slug / Sap sucker (Elysia sp) a herbivore that feeds, mates and lays eggs on one type of host algae, Batangas, Philippines

Juergen Freund / Orange striped triggerfish (Balistapus undulatus) hunting over coral reef, Bali, Indonesia.

Juergen Freund / Flagtail shrimp goby (Amblyeleotris yanoi) and shrimp (Alpheus randalli), Bali, Indonesia.

Juergen Freund / Starry moon snail (Natica stellata) Komodo NP, Indonesia.

Juergen Freund / Barramundi cod (Cromileptes altivelis) Komodo NP, Indonesia.

Juergen Freund / Nassa dog whelk / mud snail (Nassarius glans) Komodo NP, Indonesia.

Juergen Freund / Shoal of schooling Golden sweepers (Parapriacanthus ransonneti) on colourful coral reef, Komodo NP, Indonesia.

Juergen Freund / Sea pen (Pteroeides sp) on seabed at night, Komodo NP, Indonesia.

Juergen Freund / Shoal of schooling Bumphead parrotfish (Bolbometopon muricatum) Sipadan Island, Malaysia.

Juergen Freund / Dynamited coral reef not recovering after many years of damage, Sipadan, Sabah, Malaysia, June 2009.

Juergen Freund / Nets of farmed Barramundi cod (Chromileptes altivelis) Sulawesi, Indonesia.

Juergen Freund / Schooling batfish (Platax boersii) on coral reef, Sipadan, Malaysia.

Juergen Freund / Large school of Silversides (Atherinomorus lacunosa) around the reef, Moluccas Islands, Indonesia.

Juergen Freund / Schooling Bumphead parrotfish (Bolbometopon muricatum) Sipadan, Malaysia.

Juergen Freund / Split level view of coral reef and Sipadan Island, Sabah, Malaysia, June 2009.

Juergen Freund / Midnight snapper (Macolor macularis) Bali, Indonesia.

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

Juergen Freund / Featherstars (Crinoidea) on a Barrel sponge in coral reef, Komodo NP, Indonesia, Indo-pacific.

Juergen Freund / Sea cucumber (Bohadschia marmorata) on seabed, when threatened it discharges sticky threads in defence, Palawan, Philippines.

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

Juergen Freund / Batfish / Spadefish (Platax sp) portrait, West Papua, Indonesia.

Juergen Freund / Seahorse (Hippicampus kuda) pair on sea rubble, West Papua, Indonesia.

Juergen Freund / Forster's hawkfish (Paracirrhites forsteri) amongst coral, West Papua, Indonesia.

Juergen Freund / Twin spot wrasse (Oxycheilinus bimaculatus) Batangas, Philippines.

Juergen Freund / Spotted Soapfish (Pogonoperca punctata) with an interesting beard, West Papua, Indonesia.

Juergen Freund / Yellowfin tuna brought to the Nutrindo Tuna Factory from the fishing boat for chlorine bath disinfecting, it is then brought in for export processing, Bitung, Sulawesi, Indonesia, October 2009.

Juergen Freund / Nudibranch (Thecacera sp) on reef, West Papua, Indonesia.

Juergen Freund / Slash and burn deforestation on Palawan island, Philippines, April 2010. A growing population of migrants to Palawan has made slash-and-burn farming a widespread practice. It involves chopping down fo...