Fred Bavendam / Feather Star (Comanthina nobilis) and (Oxycomanthus bennetti) and Soft Coral (Dendronephthya sp)

Tui De Roy / Tungurahua Volcano erupting, near Banos, Andes Mountains, Ecuador

Norbert Wu / Candy Cane Sea Star (Fromia monilis) on Magnificent Sea Anemone (Heteractis magnifica) foot, Sipidan Island, Borneo

Michio Hoshino / Aurora borealis showing the North Star and Big Dipper, Alaska

Michio Hoshino / Aurora borealis showing the North Star and Big Dipper, Alaska

Fred Bavendam / Basslet (Pseudanthias sp) school, swimming near a Sea Fan (Melithaea sp) and a Blue Sea Star (Linckia laevigata)

Fred Bavendam / Common Lionfish (Pterois volitans) lurking among Feather Star Crinoids clinging to the lip of a large Barrel Sponge, Bali, Indonesia

Fred Bavendam / Sunflower Sea Star (Pycnopodia helianthoides) crawling amidst Kelp, Sponge, Sea Anemones, Sea Urchins, and a Sculpin, Quadra Island, British Columbia, Canada

Fred Bavendam / Common Comet Star (Linckia guildingii) in an unusual lavender color variation, it is typically beige or yellowish in color, Manado, North Sulawesi, Indonesia

Fred Bavendam / Firebrick Sea Star (Asterodiscides truncatus) portrait, underwater, Jarvis Bay, New South Wales, Australia

Fred Bavendam / Feather Star (Oxycomanthus bennetti) sitting atop a coral Bommie, Great Barrier Reef, Queensland, Australia

Juergen Freund / Seastars in tide pool split level {Asteroidea} Canadian pacific coast

Georgette Douwma / Necklace starfish {Fromia monilis} on coral. Sulawesi, Indonesia

Florian Graner / Basket star on coral {Gorgonocephalus caputmedusae} Trondheimsfjord, Norway

Martin Dohrn / The Southern Cross star constellation shining above Ballenites trees in Masai Mara, Kenya. Starlight image intensifier camera image taken with no artificial light.

Jose B. Ruiz / White storks {Ciconia ciconia} at nest at night. Los Berruecos NP, Extremadura. Spain. Nesting on granite boulders to keep themselves safe from mammal predators. Winner of Innovation Award in Wildlife...

Juergen Freund / Feather star {Crinoidea} on fan coral, Indo Pacific

Juergen Freund / Feather star {Lamprometra sp} Indo Pacific

Jeff Rotman / Brittle star (Ophiurida) scavenging on Alcynarian soft coral, night. Borneo Sipadan Island

Michele Westmorland / Basket star tentacles (Euryalina sp), Palau, Micronesia.

Juan Carlos Munoz / Aurora borealis and star trails over Jokulsarlon glacier lagoon. Southern Iceland, Europe, August 2012.

Kirkendall-Spring / Night time view of a campsite tent on the Death Canyon Shelf along the Teton Crest Trail in Grand Teton National Park. Wyoming, USA, July 2011

Kirkendall-Spring / Night time view of a campsite tent on the Death Canyon Shelf along the Teton Crest Trail in Grand Teton National Park. Wyoming, USA, July 2011

Mark Taylor / Tabby kitten, Fosset, 8 weeks old, sitting with Ruby Cavalier King Charles Spaniel bitch, Star.

Jeff Rotman / Ochre Sea Stars (Pisaster ochraceus) feeding on barnacles, Vancouver Island, British Columbia, Canada North Pacific Ocean

Jeff Rotman / Sunflower Sea Star (Pycnopodia helianthoides) scavenging dead Yelloweye Rockfish (Sebastes ruberrimus) Vancouver Island, British Columbia, Canada North Pacific Ocean

Jeff Rotman / Sunflower Sea Star (Pycnopodia helianthoides) scavenging dead Lingcod (Ophiodon elongatus) Vancouver Island, British Columbia, Canada North Pacific Ocean

Jeff Rotman / Sunflower Sea Star (Pycnopodia helianthoides) scavenging dead Yelloweye Rockfish (Sebastes ruberrimus) Vancouver Island, British Columbia, Canada, North Pacific Ocean

Jeff Rotman / Sunflower SeaStar (Pycnopodia helianthoides) scavenging dead Yelloweye Rockfish (Sebastes ruberrimus). Vancouver Island, British Columbia, Canada, North Pacific Ocean

Jeff Rotman / Sunflower Sea Star (Pycnopodia helianthoides) scavenging Lingcod (Ophiodon elongatus) Vancouver Island, British Columbia, Canada, North Pacific Ocean

Jeff Rotman / Sunflower Sea Star (Pycnopodia helianthoides) scavenging Pacific Cod (Gadus macrocephalus). Vancouver Island, British Columbia, Canada. North Pacific Ocean

Jeff Rotman / Sunflower Sea Star (Pycnopodia helianthoides) scavenging dead Pacific Cod (Gadus macrocephalus) Vancouver Island, British Columbia, Canada. North Pacific Ocean

Jeff Rotman / Ochre Sea stars (Pisaster ochraceus) feeding on barnacles, Vancouver Island, British Columbia, Canada. North Pacific Ocean

Jeff Rotman / Blood Star (Henrica leviuscula) arms close up over sea anemones, Queen Charlotte Strait, British Columbia, Canada, North Pacific Ocean.

Jeff Rotman / Sunflower Sea Star (Pycnopodia helianthoides) close up of skin surface, Queen Charlotte Strait, British Columbia, Canada, North Pacific Ocean

Jeff Rotman / Sunflower Sea Star (Pycnopodia helianthoides) close up of skin surface, Queen Charlotte Strait, British Columbia, Canada, North Pacific Ocean

Colin Monteath / Eleven-armed Sea Star (Coscinasterias calamaria) group on coastal rocks at low tide, Paparoa National Park, New Zealand

Colin Monteath / Eleven-armed Sea Star (Coscinasterias calamaria) group on coastal rocks at low tide, Paparoa National Park, New Zealand

Colin Monteath / Eleven-armed Sea Star (Coscinasterias calamaria) group at low tide, Paparoa National Park, New Zealand

Nick Garbutt / Yellowstone Expeditions Yurt Camp by star and moonlight. Near Canyon, Yellowstone National Park, Wyoming, USA. January 2012.

Alex Mustard / Colony of mountainous star coral (Montastraea faveolata) bleached due to thermal stress, spawning at night, showing the synchronous release of bundles of eggs and sperm, East End, Grand Cayman, Cayman...

Alex Mustard / A Boulder star coral (Montastraea annularis) bleached due to thermal stress, spawning at night, showing the synchronous release of bundles of eggs and sperm, East End, Grand Cayman, Cayman Islands, Br...

Alex Mustard / A Mountainous star coral (Montastraea faveolata) spawning at night, with gamete bundles of being released from the coral polyps, East End, Grand Cayman, Cayman Islands, British West Indies, Caribbean...

Alex Mustard / A Mountainous star coral (Montastraea faveolata) spawning at night, with a gamete bundle being released from a coral polyp, East End, Grand Cayman, Cayman Islands, British West Indies, Caribbean Sea.

Alex Mustard / A Mountainous star coral (Montastraea faveolata) spawning at night, with gamete bundles being released from the coral polyps, East End, Grand Cayman, Cayman Islands, British West Indies, Caribbean Sea...

Alex Mustard / A Mountainous star coral (Montastraea faveolata) spawning at night, with gamete bundle being released from a coral polyp, East End, Grand Cayman, Cayman Islands, British West Indies, Caribbean Sea.

Alex Mustard / A Ruby brittle star (Ophioderma rubicundum) feeding on the spawn from a Symmeterical brain coral (Pseudodiploria strigosa), East End, Grand Cayman, Cayman Islands, British West Indies, Caribbean Sea.

Alex Mustard / Boulder star coral (Montastraea annularis) spawning at night, showing the very start of the the release of bundles of eggs and sperm, East End, Grand Cayman, Cayman Islands, British West Indies, Carib...

Alex Mustard / Close-up of a Mountainous star coral (Montastraea faveolata) preparing to spawn, East End, Grand Cayman, Cayman Islands, British West Indies. Caribbean Sea.

Alex Mustard / Ruby brittle star (Ophioderma rubicundum) climbing on top of a mountainous star coral (Montastraea faveolata) as it prepares to spawn at night, East End, Grand Cayman, Cayman Islands, British West Ind...

Alex Mustard / Ruby brittle star (Ophioderma rubicundum) climbing on top of a mountainous star coral (Montastraea faveolata) as it prepares to spawn at night, East End, Grand Cayman, Cayman Islands, British West Ind...

Alex Mustard / Mountainous star coral (Montastraea faveolata) spawning at night on a coral reef, showing the synchronous release of bundles of eggs and sperm, East End, Grand Cayman, Cayman Islands, British West Ind...

Alex Mustard / Two images of the same colony of Mountainous star coral (Montastraea faveolata) spawning at night on a coral reef showing the bundles of eggs and sperm before and after the synchronous spawning releas...

Alex Mustard / Two photos taken one year apart of the same colony of Mountainous star coral (Montastraea faveolata) spawning on both occasions, and recovering from bleaching due to thermal stress, East End, Grand Ca...

Jeff Rotman / Northern Sea Star (Asterias vulgaris) opening a mussel. Gloucester, MA, New England USA- North Atlantic Ocean.

Jeff Rotman / Forbes' Sea Star (Asterias forbesi) attempts to open mussel, Bay of Fundy, Canada, North Atlantic Ocean.

Jeff Rotman / Northern Sea Stars (Asterias vulgaris) feeding on a bed of mussels, New England, USA - North Atlantic Ocean.

Jeff Rotman / Northern Sea Stars (Asterias vulgaris) feeding on a bed of mussels, New England, USA - North Atlantic Ocean.

Jeff Rotman / Northern Sea Star (Asterias vulgaris) opens a mussel. Gloucester, MA, New England - North Atlantic Ocean.

Mark Carwardine / Three Ochre sea stars (Pisaster ochraceus) South East Alaska, USA

Mark Carwardine / Ochre sea star (Pisaster ochraceus) on an algae covered rock, South East Alaska, USA

Mark Carwardine / Keiko, Killer whale star of Free Willy, fed by handler, Oregon, USA {Orcinus orca}

Floris van Breugel / A wide variety of fluorescent minerals including scheelite (blue/white), calcite (red), silica coatings containing uranyl ions (green), fluorite (pink), and 'desert varnish' (yellow/orange), populate...

Christophe Courteau / *Person holding a sliced Star Apple / fruit of fig tree (Chrysophyllum albidum), a popular fruit in much of Africa, and a favourite of wild chimpanzees. Kibale Rainforest, Kibale National Park, Uganda

Christophe Courteau / Person holding a sliced Star Apple / fruit of fig tree (Chrysophyllum albidum), a popular fruit in much of Africa, and a favourite of wild chimpanzees. Kibale Rainforest, Kibale National Park, Uganda

Christophe Courteau / Star Apples / fruits of fig tree (Chrysophyllum albidum) amongst leaf litter on the forest floor, part-eaten by wild chimpanzees (Pan troglodytes schweinfurthii) in the Kibale Rainforest, Kibale Natio...

Christophe Courteau / Star Apples / fruits of fig tree (Chrysophyllum albidum) amongst leaf litter on the forest floor, part-eaten by wild chimpanzees (Pan troglodytes schweinfurthii) in the Kibale Rainforest, Kibale Natio...

Christophe Courteau / Star sea squirt colony underwater at high tide {Botryllus schlosseri} France

Christophe Courteau / Star sea squirt colony exposed at low tide France {Botryllus schlosseri} Brittany France

Christophe Courteau / Star barnacles exposed at low tide {Chthamalus montagui} Brittany France

Mark Taylor / Cavalier King Charles Spaniel puppy, Star, with Sandy rabbit.

Mark Taylor / Tabby kitten, Fosset, 8 weeks, rubbing against Ruby Cavalier King Charles Spaniel bitch, Star.

Mark Taylor / Tabby kitten, Stanley, 8 weeks, nose to nose with Ruby Cavalier King Charles Spaniel bitch, Star.

Will Watson / Earthstar (Geastrum) fungus Lalo Loor reserve, Manabi Province, Ecuador.

Jim Brandenburg / Tree in tallgrass prairie, Blue Mounds State Park, Minnesota

Solvin Zankl / GEOMAR / Bubblegum coral (Paragorgia arborea) with basket star (Gorgonocephalus caputmedusae) with a live coral (Lophelia pertusa), reef in Trondheimfjord, North Atlantic Ocean, Norway . Photo taken in coopera...

Solvin Zankl / GEOMAR / Bubblegum coral (Paragorgia arborea) with basket star (Gorgonocephalus caputmedusae) on the live Lophelia pertusa reef in Trondheimfjord, North Atlantic Ocean, Norway . Photo taken in cooperation wit...

Solvin Zankl / Star ascidian (Botryllus schlosseri), Atlantic Ocean, North West Norway

Solvin Zankl / Spiny starfish (Marthasterias glacialis), left and Sea star (Porania pulvillus) right, Atlantic Ocean,

Solvin Zankl / Purple Sun star (Solaster endeca), Atlantic Ocean, North West Norway

Solvin Zankl / Seastar (Hippasteria phrygiana), Atlantic Ocean, North West Norway

Nick Upton / Cushion star (Asterina gibbosa) exposed on a low spring tide on rocks among barnacles (Verruca stroemia) and holdfasts of Tangleweed kelp (Laminaria digitata), near Falmouth, Cornwall, UK, August.

Nick Upton / Common brittle star (Ophiothrix fragilis) moving over floor of rockpool encrusted with red algae (Lithothamnion sp.), near Falmouth, Cornwall, UK, August.

Nick Upton / Spiral egg ribbon of a sea slug (probably Haminoea navicula) attached to a boulder in a rockpool alongside Star ascidians (Botryllus schlosseri), Bryozoans, Barnacles and Red algae low on the shore, H...

Nick Upton / Common brittle star (Ophiothrix fragilis) well camouflaged among mix of red and green algae including Coralweed (Corallina officinalis), Harpoon weed (Asparagopsis armata) and Sea lettuce (Ulva lactuc...

Nick Upton / Cushion star (Asterina gibbosa) on the move over submerged rocks low on the shore among a mix of red algae including Coralweed (Corallina officinalis) and Sea horsetail (Halurus equisetifolus) submerg...

Nick Upton / Cushion star (Asterina gibbosa) in rockpool alongside Common limpet (Patella vulgata) and red algae, Wembury, Devon, UK, August.

Nick Upton / Common brittle star (Ophiothrix fragilis) moving over floor of rockpool encrusted with red algae (Lithomnanion sp.) past Flat / Purple Top shell (Gibbula umbilicalis) low on a rocky shore, near Falmou...

Nick Upton / Submerged Star ascidian colony (Botryllus schlosseri) attached to boulder in a rockpool, Helford River, Cornwall, UK, August.

Nick Upton / Star ascidian colony (Botryllus schlosseri) growing on rock exposed on a low spring tide alongside serpulid worm tubes, near Falmouth, Cornwall, UK, August.

Nick Upton / Common brittle star (Ophiothrix fragilis) moving over floor of rockpool encrusted with red algae past Flat / Purple Top shell (Gibbula umbilicalis) low on a rocky shore, near Falmouth, Cornwall, UK, A...

Nick Upton / Star ascidian colony (Botryllus schlosseri) growing on rock exposed on a low spring tide, near Falmouth, Cornwall, UK, August.

Nick Upton / Common brittle star (Ophiothrix fragilis) moving over floor of rockpool encrusted with red algae past Common periwinkles (Littorina littorea) and Flat / Purple Top shell (Gibbula umbilicalis) low on a...

Nick Upton / Star ascidian colony (Botryllus schlosseri) growing on rock exposed on a low spring tide, near Falmouth, Cornwall, UK, August.