Jordi Chias / Jellyfish (Diplulmaris antarctica) Cuverville, Antarctic Peninsula, Antarctica.

Jordi Chias / Weddell seal (Leptonychotes weddellii), Antarctic Peninsula, Antarctica.

Franco Banfi / Freshwater fish including Mayan cichlids (Mayaheros urophthalmus) between aquatic plants and leaves, Cenote Nicte-Ha, near Tulum, Quintana Roo, Yucatan Peninsula, Mexico. MontPhoto Competition 2023 -...

Stefan Christmann / Landscape of Emperor penguin (Aptenodytes forsteri) habitat with sun halo, Atka Bay, Queen Maud Land, Antarctica. October

Sven Zacek / Sun dog over trees in frosty landscape. Tartumaa, Southern Estonia. December 2015.

Michel Roggo / Autumn trees viewed from below Lake Baikal, Lake Baikal UNESCO World Heritage Site, Siberia, Russia. May 2013. Photographed for The Freshwater Project.

Christophe Courteau / Ostriches (Struthio camelus) running in the distance in a mirage, Sossusvlei, Namib-Nauckluft National Park, Namib Desert, Namibia.

Alex Mustard / Aggregation of Golden jellyfish (Mastigias sp.) in a marine lake in Palau, the golden colour of this species comes from symbiotic algae in its tissues. Jellyfish Lake, Eil Malk island, Rock Islands, P...

Claudio Contreras / Morelet's crocodile (Crocodylus moreletii) in sinkhole, Cenote Carwash, near Tulum, Yucatan Peninsula, Mexico, January

Claudio Contreras / Green turtle (Chelonia mydas) wide angle view of fin, Akumal, Caribbean Sea, Mexico, January. Endangered species.

Claudio Contreras / Mesoamerican slider turtle / terrapin (Trachemys scripta venusta) in sinkhole, Cenote Carwash, near Tulum, Yucatan Peninsula, Mexico, January

Claudio Contreras / Morelet's crocodile (Crocodylus moreletii) in sinkhole, Cenote Carwash, near Tulum, Yucatan Peninsula, Mexico, January