Alex Mustard / RF - Pink anemonefish (Amphiprion perideraion) sheltering in a balled up Magnificent sea anemone (Heteractis magnifica), which is showing its purple skirt that is covered in small shrimps. Mioskon Isl...
David Noton / Pink lagoon at Port Gregory, Western Australia, December 2015.
Phil Savoie / Honeybee (Apis mellifera) flying to Bluebell flowers (Hyacinthoides non-scripta) Monmouthshire, Wales, UK. April.
Juergen Freund / Split level of Purple crown jellyfish (Netrostoma setouchina) in shallow waters, Nukubati Island Resort, Macuata Province, Fiji, South Pacific
Robert Thompson / Orange tip butterfly (Anthocharis cardamines) female on Bluebell flower (Hyacinthoides non-scripta) Clare Glen, County Armagh, May.
Joao Burini / Fluorescent mushrooms glowing in ultraviolet light. South-east Atlantic forest, Sao Miguel Arcanjo, Sao Paulo, Brazil.
Emanuele Biggi / Palmated gecko (Pachydactylus rangei) with fluorescent body areas when illuminated by UV torch, Namibia
Felis Images / Sky with Aurora borealis, Alberta, Canada, April.
Georgette Douwma / Weedy scorpionfish (Rhinopias frondosa). Ambon, Indonesia.
Staffan Widstrand / Wild Wonders of China / Grey peacock-pheasant (Polyplectron bicalcaratum) close up of the feathers, Tongbiguan Nature Reserve, Dehong Prefecture, Yunnan Province, China, April.
Stephane Granzotto / Moon jellyfish (Aurelia aurita) in aquarium with purple lighting.
Stephane Granzotto / Malaysian jellyfish (Sanderia malayensis) in aquarium with purple lighting.
Guy Edwardes / Colmer's Hill, Bridport, Dorset, England, UK. May 2014.
Ross Hoddinott / St Michael's Mount and old causeway at sunrise, Marazion, Cornwall, UK. October 2015.
Andy Sands / Green Veined White Butterfly (Pieris napi) Roosting on Bluebell flower, Cambridgeshire, England, UK, April
Phil Savoie / Smeathman's furrow bee (Lasioglossum smeathmanellum) visiting Grape hyacinth (Muscari sp.). At 4.5 mm average size, this is one of the smallest bees in the UK, small enough to crawl inside a Grape Hya...
Heather Angel / Crocus (Crocus sp) flower from above, closing in evening. Focus stacked.
Georgette Douwma / Kaleidoscopic image of Variegated feather duster (Bispira variegata), Sabellidae. Puerto Galera, Philippines.
Andy Sands / Orange tip butterfly (Anthocharis cardamines) on bluebell flower in English woodland, Hertfordshire, England, UK, April.
Phil Savoie / Smeathman's furrow bee (Lasioglossum smeathmanellum) visiting Grape hyacinth (Muscari sp.). At 4.5 mm average size, this is one of the smallest bees in the UK, small enough to crawl inside a Grape Hy...
Phil Savoie / Smeathman's furrow bee (Lasioglossum smeathmanellum) visiting Purple Toadflax (Linaria purpurea). At 4.5 mm average size, this is one of the smallest bees in the UK, Monmouthshire Wales, July.
Georgette Douwma / Kaleidoscopic montage of a peacock feather.
Magnus Lundgren / Mauve stinger (Pelagia noctiluca) photographed at night between Pico and Faial, the Azores, Portugal. Magnus
Magnus Lundgren / Wild Wonders of China / Weedy scorpionfish (Rhinopias frondosa) Longdong, Northeast, Taiwan.~ ~Lundgren
Emanuele Biggi / Camel thorn tree (Vachellia erioloba) silhouetted at sunset in the cold winter desert of Southern Namibia
Georgette Douwma / Stony coral (Acropora millepora) Derawan Islands, East Kalimantan, Indonesia. Indo-West Pacific.
John Cancalosi / Fossil ammonite (Desmoceras sp.) under UV light, from the Upper Early Cretaceous period, Mahajanga Province, Madagascar