David Fleetham / Clark's anemonefish (Amphiprion clarkii), pair tending to egg mass placed beside the protection of an anemone. Yap, Micronesia.

David Fleetham / Blacktip reef shark (Carcharhinus melanopterus) swimming just below surface at sunset, split level view. Off the island of Yap, Micronesia.

Ingo Arndt / Mastigias jellyfish (Mastigias sp) with mass of jellyfish in background, Jellyfish lake, Palau, Western Pacific Islands, Micronesia

Ingo Arndt / Mass of Mastigias jellyfish (Mastigias sp) in Jellyfish lake, Palau, Western Pacific Islands, Micronesia, March 2009

Ingo Arndt / Aerial view of Milky Way Bay, Rock Islands, Palau, Micronesia. April 2009

Alex Mustard / Green sea turtle (Chelonia mydas) female resting on a coral reef. Rock Islands, Palau, Mirconesia. Tropical west Pacific Ocean

Michael Pitts,Michael Pitts / Engine room ventilator shafts of oil tanker 'Seiko Maru'. Sunk in Chuuk Lagoon 17/18th February 1944, Chuuk Lagoon, Pacific

Michael Pitts,Michael Pitts / Aerial of Kossol Passage, Kossol Reef, Palau Islands, North Pacific Ocean.

Michele Westmorland / Snorkeler swimming with harmless Jellyfish (Mastigias papua etpisonii), Jellyfish Lake, Rock Islands, Palau, Micronesia.

Tim Laman / Orange sponges grow under the overhanging roots of Red Mangrove trees {Rhizophora mangle} Kostrae Island, Federated States of Micronesia.

Doc White / Skull of Japanese Sailor. Truk Lagoon, Chuuk islands, Federated States of Micronesia.

Tim Laman / Aerial view of the Rock Islands, Palau, Micronesia, December 2001.