Alex Mustard / Tiger shark (Galeocerdo cuvier) portrait over white sand. Little Bahama Bank, Bahamas.

Alex Mustard / Low angle image of Caribbean reef shark (Carcharhinus perezi) at the surface. Grand Bahama, Bahamas. Tropical West Atlantic Ocean.

Alex Mustard / Long exposure image of Tiger shark (Galeocerdo cuvier) chasing bait, Bahamas.

Alex Hyde / Panther Chameleon {Furcifer pardalis} climbing along branch on beach, Masoala Peninsula National Park, north east Madagascar.

Nick Garbutt / Stump-tailed Leaf Chameleon (Brookesia superciliaris) on white background, from rainforest leaf-litter. Masoala National Park, Madagascar.

Tim Laman / Head portrait of Bornean Horned Frog (Megophrys nasuta) among the leaf litter in the lowland rainforest of Borneo. Danum Valley Conservation Area, Sabah, Malaysia

Jeff Rotman / Tiger shark (Galeocerdo cuvier) demonstrating aggressive behavior, Red Sea, Egypt

Jeff Rotman / Close up of Goggle eye / Bigeye fish (Priacanthus hamrur) Red Sea, Egypt

LYNN M. STONE / Portrait of male Boxer, light brindle coloured with natural ears, standing by lake shore, Illinois, USA

Gerrit Vyn / Subadult male Wild Turkey (Meleagris gallopavo) in breeding plumage. Hidalgo County, Texas

David Shale / Head-on view of Spothead lanternfish {Diaphus metopocampus} from between 500 and 800m, Mid-Atlantic Ridge, North Atlantic Ocean

David Shale / Fangtooth (Anoplogaster cornuta) portrait, Mid-Atlantic Ridge, North Atlantic Ocean