Claudio Contreras / Caribbean flamingo (Phoenicopterus ruber) about to take off to roosting site, Ria Celestun Biosphere Reserve, Yucatan Peninsula Mexico, January. Best image taken in Mexico and specially commended in...

Alex Mustard / Pod of Indo-Pacific bottlenose dolphins (Tursiops adunctus) swim above a coral reef. Sha'ab El Erg, Hurghada, Egypt. Red Sea.

Alex Mustard / Post larval Red Sea sailfin tang (Zebrasoma desjardinii), Gubal Island, Egypt. Strait Of Gubal, Gulf of Suez, Red Sea.

Alex Mustard / Bottlenose dolphin (Tursiops aduncus) mother baby swimming over a coral reef. Sha'ab El Erg, Hurghada, Egypt. Red Sea.

Alex Mustard / Pod of Indian Ocean bottlenose dolphin (Tursiops adunctus) swim over a coral reef. Sha'ab El Erg, Hurghada, Egypt. Red Sea.

Pascal Kobeh / Debris of dead corals (Acropora and Porites ) probably due to the bleaching of 1998 an El Nino year which killed a large amount of Maldive corals, Maldives. Indian Ocean.

Cyril Ruoso / Indian Comb (Pachycereus pecten-aboriginum) and the Sea of Cortez at sunset, El Vizcaino Biosphere Reserve, Mexico

Cyril Ruoso / Indian Comb (Pachycereus pectenaboriginum) cacti in lava field of the Volcan de las Virgenes, El Vizcaino Biosphere Reserve, Mexico

Cyril Ruoso / Indian Comb (Pachycereus pectenaboriginum) cacti in lava field of the Volcan de las Virgenes, El Vizcaino Biosphere Reserve, Mexico

Alex Mustard / Close up detail of the patterns on a Sailfin tang (Zebrasoma desjardinii), Sharm El Sheikh, Egypt. Red Sea.

Claudio Contreras / Aerial view of Caribbean flamingo (Phoenicopterus ruber), near El Palmar, Yucatan Peninsula, Mexico, May

Claudio Contreras / Aerial view of Caribbean flamingo (Phoenicopterus ruber) flock near mangrove forest. The water is coloured by tannins produced by the magrove trees as a defense mechanism, near El Palmar, Celestun, Yu...