Nick Garbutt / Aggregation / bloom / swarm of Moon Jellyfish (Aurelia aurita) in the clear waters of Loch Na Keal, off the Isle of Mull, north west Scotland, UK, June, Photographed through the surface.

Doug Perrine / Bioluminescence from glowing plankton in sea tide line on beach, with stars above and ship lights on horizon, Vaadhoo Island, Raa Atoll, Maldives, Indian Ocean, October 2010

Floris van Breugel / Sand dunes reflecting pink and orange glowing colours from the sky at sunset. Death Valley National Park, California, USA. November 2009. Highly Commended in the Veolia Environnement Wildlife Photoga...

Hiroya Minakuchi / Japanese Firefly (Luciola cruciata) group flying along river at night, Shikoku, Japan

Glenn Bartley/ BIA / Glowing Puffleg (Eriocnemis vestitus) hummingbird, Colombia

Chien Lee / Glow Worm (Lamprigera sp) neotenic female, Gunung Penrissen, Borneo, Malaysia

Chien Lee / Mushroom (Filoboletus manipularis) group glowing at night, Danum Valley Field Center, Sabah, Borneo, Malaysia

Steven Kazlowski / Photographer in front of Northern lights / Aurora borealis glowing brightly over the frozen eastern Beaufort Sea, Arctic National Wildlife Refuge, Alaska Model released.

Juergen Freund / Bioluminescent fungi (Omphalotus nidiformis / Pleurotus nidiformis) glowing on tree trunk in rainforest at night, Atherton Tablelands, Queensland, Australia,

Steven Kazlowski / Northern lights (Aurora borealis) glowing brightly over trees along Steese Highway, Cleary Point, outside Fairbanks, Alaska

Juergen Freund / Glowing / bioluminescent fungi on rainforest tree, possibly Omphalotus nidiformis, Tableland rainforest, Far North Queensland, Australia

Martin Dohrn / Cardinal fish (Apogon sp) moments after it has mistakenly tried to eat an ostracod. The ostracod then releases glowing mucus that is so bright that it can be seen through the body of the fish. This gi...