Chris Gomersall / 2020VISION / Atlantic mackerel (Scomber scombrus) in fish separator on board Shetland pelagic trawler 'Charisma', with crew member David Anderson taking a sample for measurement. Shetland Isles, Scotland, UK, Octo...

Chris Gomersall / 2020VISION / Crew hauling in net with catch of Atlantic mackerel (Scomber scombrus) on board the Shetland pelagic trawler 'Charisma', Shetland Isles, Scotland, UK, October 2012. Model released.

Mark Carwardine / Southern white rhinoceros (Ceratotherium simum simum) wild animal with ranger providing round-the-clock protection. Ol Pejeta Conservancy, Kenya, 2009. Threatened species, Model released

Floris van Breugel / A skier glides past an erupting geyser in the Old Faithful geyser basin in Yellowstone National Park. The cold temperatures in the winter cause the geysers to release more steam than usual making the...

Oriol Alamany / Hiker walking the Calanche de Piana, Corse-du-Sud, Corsica Island, France, Model released.

Oriol Alamany / Woman hiker sheltering from rain at the hermitage of Sant Aniol, Espai Natural Alta Garrotxa, Pyrenees, Catalonia, Spain. Model released

Peter Cairns / Woman standing in front of Skogafoss waterfall, Iceland. Model released.

Jeff Rotman / Common thresher shark (Alopias vulpinus) caught in gill net, observed by diver at night, Huatampo, Mexico, Gulf of California, Pacific Ocean. Model released. May 2008.

Jeff Rotman / Common Thresher Shark (Alopias vulpinus) caught on gill net being hauled up onto boat, Huatabampo, Mexico, Sea of Cortez, Pacific Ocean. Model released. Model released.

Jeff Rotman / Common thresher shark (Alopias vulpinus) severed fin being held up by gill net fisherman, Huatabampo, Mexico, Sea of Cortez, Pacific Ocean Model released.

Alex Mustard / Whale shark (Rhincodon typus) silhouette of shark feeding on floating fish eggs (not visible) just below the surface in calm weather, with snorkeller taking photos nearby, Isla Mujeres, Quintana Roo,...

Andy Trowbridge / Split level shot of a fly fisherman (Murray Trowbridge) releasing a large brown trout (Salmo trutta) in a gin clear 'backcountry' river, North Canterbury South Island, New Zealand. January, 2012. Mode...