Nick Hawkins / Galapagos green turtle (Chelonia mydas agassizi) swimming above sea floor with shoal of fish in background. Off San Cristobal Island, Galapagos.

Jack Dykinga / Aurora Borealis display above conifers and Polar Lake. Near Great Slave Lake, Northwest Territories, Canada. September 2018.

David Fleetham / Whale shark (Rhincodon typus), a commercial encounter for tourists with feeder above on canoe. Oslob, Cebu, Philippines. April 2017.

Alex Mustard / Hawksbill turtle (Eretmochelys imbricata) pair circling each other above coral reef. Seven Mile Beach, Grand Cayman, Cayman Islands, British West Indies. Caribbean Sea.

Theo Bosboom / Edible frog (Pelophylax k. esculentus) catching a common blue damselfly (Enallagma cyathigerum) with its tongue with pair mating on stem above, Hondenven, Tubbergen, The Netherlands, July.

SCOTLAND: The Big Picture / Pod of Bottlenose dolphins (Tursiops truncatus) surfacing just offshore, Black Isle, Scotland, UK, July.

Ingo Arndt / European edible frog eyes showing above water {Rana esculenta} Germany

Christophe Courteau / African elephants (Loxodonta africana) swimming across Chobe River, trunks raised above surface for breathing, Chobe National Park, border between Botswana and Namibia.

Espen Bergersen / Humpback whale (Megaptera novaeangliae) breaching above surface, Kvaloya, Troms, Norway November

Alex Mustard / Grey seal (Halichoerus grypus) playful young seal above a kelp forest. Lundy Island, Devon, UK Bristol Channel, August

Claudio Contreras / American crocodile (Crocodylus acutus) resting just above seagrass underwater, Banco Chinchorro Biosphere Reserve, Caribbean region, Mexico

Alex Mustard / Great white shark (Carcharodon carcharias) from above. Guadalupe Island, Baja California, Mexico. East Pacific Ocean