Juergen Freund / Detail of Orange elephant ear sponge (Agelas clathrodes) with crinoid / featherstar attached, 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 / Coral reefs exposed by the April 2nd 2007 earthquake that lifted the island of Ranongga by 3m, Solomon Islands, Pacific, July 2010.

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

Juergen Freund / Fallen mangrove leaves adding to detritus in the soil. North Raja Ampat, West Papua, Indonesia, February 2010.

Juergen Freund / Young Coastal Carpet Python (Morelia spilota mcdowelli) moving over vegetation, Queensland, Australia

Juergen Freund / Fern Pool - a permanent swimming hole surrounded by lush vegetation, Karajini National Park, Western Australia

Juergen Freund / X-ray of shell of the Venus Comb Murex {Murex pecten}

Juergen Freund / X-ray of shell of spider conch {Lambis chiragra}

Juergen Freund / X-ray of the shell of the Pearly / Chambered nautilus {Nautilus pompilius} showing the internal chambers of the shell.

Juergen Freund / Split-level photograph of coral reef shallows, Rowley Shoals, Western Australia

Juergen Freund / Divers silhouetted at entrance to underwater cave, Queensland, Australia