Alex Mustard / Orange painted frogfish (Antennarius pictus) fishing. Here the frogfish is illuminated by a snooted strobe and the background sand lit with a red LED torch. Bitung, North Sulawesi, Indonesia. Lembeh S...

Alex Mustard / Tiger cardinalfish (Cheilodipterus macrodon) male mouth brooding a clutch of eggs behind his sharp teeth. Gubal Island, Egypt. Strait Of Gubal, Red Sea.

Piotr Naskrecki / Banded Tree Snake (Tripanurgos compressus), Costa Rica

Piotr Naskrecki / Red-eyed Tree Frog (Agalychnis callidryas), Belize

Piotr Naskrecki / Mexican Red Rump Tarantula (Brachypelma vagans), Belize

Terry Whittaker / Red fox (Vulpes vulpes) adult with train in background, Kent, UK. March. Highly commended in the Nature Photographer of the Year Awards 2018. Taken with remote camera.

Terry Whittaker / Red fox (Vulpes vulpes) walking on enbankment with light from passing railway train in background, Kent, UK. Composite.

Ingo Arndt / Red wood ant (Formica rufa) carrying construction material to anthill (fir needles), Germany.

Andres M. Dominguez / Dew on spiderweb with Common poppy (Papaver rhoeas) in the background, Sierra de Grazalema Natural Park, El Bosque, southern Spain, April.

Benjamin Barthelemy / Close-up of a Red fox (Vulpes vulpes) resting, with mountains in the background, Vanoise National Park, Rhone Alpes, France, October.

Claudio Contreras / Firewheel (Gaillardia pulchella) flowers at twilight, Laredo Borderlands, Texas, USA. April

Ben Hall / Red fox (Vulpes vulpes) peering from behind tree with bluebells in foreground, Cheshire, June.