Tony Wu / Humphead parrotfish (Bolbometopon muricatum) shoal spawning in early morning, part of mass aggregation of thousands of fish. Caroline Islands, Palau.
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Tony Wu / Twinspot snapper (Lutjanus bohar) shoal rushing up to spawn, releasing a cloud of milky white sperm and eggs in the water column. Caroline Islands, Palau, November.
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Tony Wu / Twinspot snapper (Lutjanus bohar) engaged in a mass spawning aggregation early in the morning. Caroline Islands, Palau. April. Winner of Underwater category, Wildlife Photographer of the Year 2016.
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Colin Monteath / Climber enjoying view of Mt CookĘs Caroline Face from Ball Pass, Mt Cook National Park, New Zealand
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Marie Read / Spotted sandpiper (Actitis macularius), with head submerged as it jabs at underwater prey, Caroline, New York, USA, May.
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Ashley Cooper / Caroline Lucas a Green Party MEP at the I Count climate change rally in London, UK, November 2006.
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Tony Wu / Discarded plastic flip-flops shoes on beach. Palau, Caroline Islands, Philippine Sea, Pacific Ocean. December 2013.
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Tony Wu / Rubbish including many plastic bottles accumulated on island. Rock Islands of Palau. Palau, Caroline Islands, Philippine Sea, Pacific Ocean. December 2013.
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David Fleetham / Clark's anemonefish (Amphiprion clarkii), Yap, Micronesia.
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David Fleetham / Wave breaking over the outer reef off the island of Yap, Micronesia.
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David Fleetham / Black tip reef shark (Carcharhinus melanopterus) and grey reef sharks (Carcharhinus amblyrhynchos), Yap, Micronesia.
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David Fleetham / Grey reef sharks (Carcharhinus amblyrhynchos) on reef, Yap, Micronesia.
