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...

Franco Banfi / School of Munk's devil ray, pygmy devil ray, (Mobula munkiana), feeding on plankton at night, photographed on a long exposure, Espiritu Santo Island, Sea of Cortez, Baja California, Mexico, East Pacif...

Gary Bell/ Oceanwide / Golden Damselfish (Amblyglyphidodon aureus) juvenile among coral, Great Barrier Reef, Australia

Claudio Contreras / Devil's hand Tree (Chiranthodendron pentadactylon) flower, Filo de Caballos, Sierra Madre del Sur, southern Mexico, March

Mark Carwardine / Munk's pygmy devil ray / Munk's mobula (Mobula munkiana) large school from the air with one leaping out of the water, Baja California, Mexico

Mark Carwardine / Munk's pygmy devil ray / Munk's mobula (Mobula munkiana) large school from the air, Baja California, Mexico.

Ross Hoddinott / Common blue butterfly (Polyommatus icarus) resting on devil's bit scabious (Succisa pratensis), Vealand Farm, Devon, UK. August

Alex Mustard / Suwanee freshwater turtle (Pseudemys concinna suwanniensis) swimming beneath trees in a freshwater spring. Devil Spring, Ginnie Springs, High Springs, Florida, USA

Jack Dykinga / Devil's Garden 'Hoodoos', Entrada sandstone formations in afternoon light. Grand Staircase-Escalante National Monument. Utah, USA, October 2010.

Jordi Chias / Mobula / Chilean devil ray (Mobula tarapacana) with remora (Remora brachyptera) and Amberjacks (Serila dumerilli) Santa Maria Island, Azores, Atlantic Ocean

Franco Banfi / Devilrays (Mobula tarapacana) two viewed from below, Ambrosio dive site, Santa Maria Island, Azores, Portugal, Atlantic Ocean.

Franco Banfi / Devilray (Mobula tarapacana) swimming near the surface with remoras, Ambrosio dive site, Santa Maria Island, Azores, Portugal, Atlantic Ocean

Franco Banfi / Devilrays (Mobula tarapacana) large group at the surface, Ambrosio dive site, Santa Maria Island, Azores, Portugal, Atlantic Ocean

Franco Banfi / Scuba diver with Devilray (Mobula tarapacana), Ambrosio dive site, Santa Maria Island, Azores, Portugal, Atlantic Ocean

Thomas Marent / Devil's Praying Mantis (Idolomantis diabolica) in defensive posture, Tanzania

Floris van Breugel / A view of Pony Tail falls with Devil's Club (Oplopanax horridus) leaves in the foreground in the Columbia River Gorge, Oregon, USA. July 2011.

Alex Mustard / Pair of Bar jacks (Caranx ruber) hunting Silversides (Atherinidae) inside cave. Devil's Grotto, George Town, Grand Cayman, Cayman Islands, British West Indies. Caribbean Sea.

D. Parer & E. Parer-Cook / Tasmanian Devil (Sarcophilus harrisii) male, Central Highlands, Tasmania, Australia

D. Parer & E. Parer-Cook / Tasmanian Devil (Sarcophilus harrisii) nine month old joey, Central Highlands, Tasmania, Australia

Michael Pitts / Devil rays (Mobula japonica) viewed from below, South Ari atoll, Maldives.

ZSSD / Tasmanian Devil (Sarcophilus harrisii), Currumbin Wildlife Sanctuary, Queensland, Australia

Benjamin Barthelemy / Landscape view of the Devil's Jaw, Ersfjord, Senja, Norway, February.

Ann & Steve Toon / Dust devil in Amboseli National Park in dry season, Kenya, October 2012

Alex Mustard / A school of lesser devil rays (Mobula hypostoma) flying through sunbeams as they feed. Isla Mujeres, Quintana Roo, Yucatan Peninsula, Mexico. Caribbean Sea.

Michael D. Kern / Venezuelan Sun Tiger Tarantula / Devil tree spider (Psalmopoeus irminia), captive from Venezuela

Roy Mangersnes / Bushfire and dust devils in the Central Kalahari Game Reserve, Botswana, November

Dave Watts / Tasmanian Devil (Sarcophilus harrisii) running blur, Cradle Mountain, Tasmania, Australia

Nuno Sa / Manta Ray (Manta Birostris) and Devil Ray (Mobula tarapacana) in background, accompanied by Pilot Fish (Naucrates ductor) and Remora. Santa Maria Island, Azores, September.

Nick Upton / Neolithic Dolmen de Fontanaccia portal tomb ("The Devil's Forge") erected around 6000 years ago. Cauria, Corsica, France, May 2010.

Tony Heald / Eland (Taurotragus oryx) males locking horns and fighting. Devil's Thorn flowers (Tribulus terrestris) cover the ground. Etosha National Park, Namibia, January.

Tony Heald / Eland (Taurotragus oryx) male horning the ground which is covered in Devil's Thorn flowers (Tribulus terrestris). Etosha National Park, Namibia, January.

Tony Heald / Spotted Hyaena (Crocuta crocuta) rolling in Devil's Thorn flowers (Tribulus terrestris). Etosha National Park, Namibia, January.

Sharon Heald / Black-faced Impala (Aepyceros melamis petersi) male standing in a field of Devil's Thorn flowers (Tribulus terrestris). Etosha National Park, Namibia, January.

Tony Heald / Zebra (Equus quagga) foal running through Devil's Thorn flowers (Tribulus terrestris). Etosha National Park, Namibia, January.

Fred Bavendam / Golden Damselfish (Amblyglyphidodon aureus), Tonga

Luis Quinta / Devil ray {Mobula tarapacana} with remora, Azores, Atlantic

Jouan & Rius / Thorny devil (Moloch horridus), Central Australia, Australia

Pete Oxford / Devil's Tower National Monument, Wyoming

Pete Oxford / Black-tailed Prairie Dog (Cynomys ludovicianus) looking for danger, Devil's Tower National Monument, Wyoming

Mitsuaki Iwago / Thorny Devil (Moloch horridus) walking across sand, Australia

Fred Bavendam / Golden Damselfish (Amblyglyphidodon Aureus) in front of Soft Coral (Ctenocella sp), Figi

Doug Perrine / Lionfish {Pterois miles} with Seafan in foreground, Thailand

Philippe Clement / Devil's thorn (Tribulus zeyheri) the Kalahari desert's prominent creeper, appearing after the rains, Kgalagadi NP, South Africa

Flip Nicklin / Manta Ray (Manta birostris) with two Remora (Remora remora) attached to it, Hallcion Reef, Cocos Island, Costa Rica

Michael & Patricia Fogden / Thorny Devil (Moloch horridus) in the desert near Ayers Rock, Uluru-Kata Tjuta National Park, Australia

Yva Momatiuk & John Eastcott / Black-tailed Prairie Dog (Cynomys ludovicianus) eating grass in summer, Devil's Tower National Park, Wyoming

Norbert Wu / Devil Angler (Linophryne indica) fish, deep sea species showing large female with dwarf male attached

Gerry Ellis / Thorny Devil (Moloch horridus) overhead view, native to the Central Desert, Western Australia

Flip Nicklin / Manta Ray (Manta birostris) Flower Garden Banks National Marine Sanctuary, Louisiana, Gulf of Mexico

Norbert Wu / Devil Angler (Linophryne sp) deep sea species larvae with large yolky egg which is a deep sea reproductive strategy, Celebes Sea

Fred Bavendam / Eastern Blue Devil (Paraplesiops bleekeri), New South Wales, Australia

Mitsuaki Iwago / Thorny Devil (Moloch horridus) on sand, Australia

Dave Watts / Tasmanian devil portrait {Sarcophilus harrisii} taken in the wild, Tasmania. Endangered species.

David Noton / Llyn Idwal, the Devil's Kitchen. Snowdonia, Wales, UK.

John Cancalosi / Tasmanian devil (Sarcophilus harrisii) captive, Tasmania, Australia

Georgette Douwma / Lionfish (Pterois miles) swimming by shipwreck. Red Sea, Egypt

David Noton / Llyn Idwal (The Devil's Kitchen) Snowdonia, Gwynedd, Wales.

Nigel Cattlin / Fox and cubs (Pilosella aurantiaca). Berkshire, England, UK. June.

Nigel Cattlin / Butterbur (Petasites hybridus) flowering on bank of Kennet and Avon Canal, near Hungerford, Berkshire, England, UK. April.

Nigel Cattlin / Butterbur (Petasites hybridus), on bank of Kennet and Avon Canal, Hungerford, Berkshire, England, UK. March.

Nigel Cattlin / Butterbur (Petasites hybridus), on bank of Kennet and Avon Canal, Hungerford, Berkshire, England, UK. March.

Alex Mustard / Long exposure portait of an Orange painted frogfish (Antennarius pictus). Anilao, Batangas marine protected area, Luzon, Philippines. Verde Island Passages, Tropical West Pacific Ocean.

Alex Mustard / Painted frogfish (Antennarius pictus) hides amongst rope sponges on a coral reef. Bitung, North Sulawesi, Indonesia. Lembeh Strait, Molucca Sea.

Alex Mustard / Box ray (Mobula tarapacana) swimming above USS Kittiwake shipwreck. Seven Mile Beach, Grand Cayman, Cayman Islands, British West Indies. Caribbean Sea.

Tony Wu / Korean sandlance (Hypoptychus dybowskii) egg clusters on Sargassum (Sargassum horneri). Fish produce sticky secretion in kidneys that adheres eggs to Sargassum. Hokkaido, Japan. May.

Eric Baccega / Tasmanian devil (Sarcophilus harrisii) male sniffing ground. Beauval Zoo Parc, France. Captive.

Eric Baccega / Tasmanian devil (Sarcophilus harrisii), male walking. Beauval Zoo Parc, France. Captive.

Eric Baccega / Tasmanian devil (Sarcophilus harrisii) male crossing water. Beauval Zoo Parc, France. Captive.

Eric Baccega / Tasmanian devil (Sarcophilus harrisii) male crossing water. Beauval Zoo Parc, France. Captive.

Nick Upton / Devil's apple (Solanum linnaeanum) with toxic fruit. Invasive species, native to South Africa. Sardinia, Italy. June.

Nick Upton / Apple of Sodom / Devil's apple / Devil's tomato (Solanum linnaeanum / sodomaeum) an invasive South African species with toxic fruits developing, coastal scrubland, Sardinia, Italy, Jun...

Magnus Lundgren / Wild Wonders of China / Blue devil damselfish (Chrysiptera cyanea) Xiaoliuqiu Island, Taiwan

Heather Angel / Cat's whiskers / Black bat flower (Tacca chantrieri). Pollinated by flies. Cultivated in glasshouse, Surrey, England, UK. Native to Southeast Asia.

Heather Angel / Cat's whiskers / Black bat flower (Tacca chantrieri). Pollinated by flies. Cultivated in glasshouse, Surrey, England, UK. Native to Southeast Asia.

John Shaw / Circular salt patterns form around Arrowweed (Pluchea sericea) noting different moisture content levels in the soil. The Devil's Cornfield area, Death Valley National Park, California, USA. Januar...

Steven David Miller / A close up of a Thorny devil (Moloch horridus), Alice Springs Reptile Park, Northern Territory, Australia.

Ralph Pace / Manta Ray (Manta birostris), Baja California, Mexico

Tim Fitzharris / Reef Manta Ray (Manta alfredi) pair, Nusa Penida, Bali, Indonesia

Gary Bell/ Oceanwide / Golden Damselfish (Amblyglyphidodon aureus), Great Barrier Reef, Australia

Pascal Kobeh / Sicklefin devil ray / Chilean devil ray (Mobula tarapacana) with two shark suckers (Remora remora) Azores, Atlantic Ocean.

Pascal Kobeh / Painted frogfish / anglerfish (Antennarius pictus) Sulu Sea, Philippines.Small repro only

Pascal Kobeh / Sicklefin devil ray or Chilean devil ray (Mobula tarapacana) with two shark suckers (Remora remora) Azores, Atlantic Ocean.

Pascal Kobeh / Sicklefin devil ray or Chilean devil ray (Mobula tarapacana) with two shark suckers (Remora remora) Azores, Atlantic Ocean.

Jeff Foott / Rock formation, Metate Arch, Devil's Garden, Grand Staircase-Escalante National Monument, Utah

Claudio Contreras / Devil's Hand Tree (Chiranthodendron pentadactylon) flower, Filo de Caballos, Sierra Madre del Sur, southern Mexico, March

Ingo Arndt / Devil's Praying Mantis (Idolomantis diabolica) female in defensive posture, native to Africa

Mark Carwardine / Munk's pygmy devil ray / Munk's mobula (Mobula munkiana) large school, with some leaping into the air. Aerial view. Baja California, Mexico

Mark Carwardine / Munk's pygmy devil ray / Munk's mobula (Mobula munkiana) large school from the air with one leaping out of the water, Baja California, Mexico

Mark Carwardine / Munk's pygmy devil ray / Munk's mobula (Mobula munkiana) large school from the air, Baja California, Mexico

Mark Carwardine / Munk's pygmy devil ray / Munk's mobula (Mobula munkiana) large school next to boat aerial view. Baja California, Mexico

Mark Carwardine / Munk's pygmy devil ray / Munk's mobula (Mobula munkiana) large school next to boat aerial view. Baja California, Mexico

Mark Carwardine / Munk's pygmy devil ray / Munk's mobula (Mobula munkiana) large school from the air, Baja California, Mexico

Mark Carwardine / Spinetail devil rays (Mobula mobular) aerial view, Baja California, Mexico

Mark Carwardine / Spinetail devil rays (Mobula mobular) aerial Baja California, Mexico

David Fleetham / Painted frogfish (Antennarius pictus) with first dorsal spine and lure extended to attract prey. Dumaguete, Philippines.