Solvin Zankl / Wing-armed squid (Stenoteuthis pteropus) - deep sea specimen from South Atlantic

Alex Hyde / Wide-armed mantis (Cilnia humeralis) reaching out, photographed on a white background, originating from Africa. Captive.

Eric Baccega / Portrait of Lani hunters with painted faces, head-dressed, nose adornment and penis case / gourd, Baliem valley, West Papua, former Irian-Jaya, Indonesia, August 2002

Piotr Naskrecki / Spiked Spider (Gasteracantha sp) their abdomen, or opisthosoma, is heavily sclerotized and armed with hard spines possibly to protect against birds and lizards, Solomon Islands

Sue Daly / Seven-armed Starfish (Luidia ciliaris). Les Dents, Sark, British Channel Islands, August.

Ann & Steve Toon / Anti-poaching patrol supported by Save the Rhino International, Mbirikani Group Ranch, Amboseli-Tsavo ecosystem, Chyulu Hills, Kenya, Africa, October 2012

Ann & Steve Toon / Armed anti-poaching patrol, Lewa Conservancy, Laikipia, Kenya, September 2012

Ann & Steve Toon / Armed anti-poaching patrol out in Lewa Conservancy, Laikipia, Kenya, September 2012

Ann & Steve Toon / Northern white rhino (Ceratotherium simum cottoni) female called Najin, watched over by armed guard, Ol Pejeta Conservancy, Laikipia, Kenya, Africa, September 2012

Ann & Steve Toon / Northern white rhino (Ceratotherium simum cottoni) dehorned male called Sudan, watched over by armed guard, Ol Pejeta Conservancy, Laikipia, Kenya, Africa, September 2012

Ann & Steve Toon / Northern white rhino (Ceratotherium simum cottoni) male called Suni with female Najin, watched over by keepers Jeremy Kimathi and Peter Esogon, Ol Pejeta Conservancy, Laikipia, Kenya, Africa, Septembe...

Ann & Steve Toon / Northern white rhino (Ceratotherium simum cottoni) female called Najin, watched over by armed guard, Ol Pejeta Conservancy, Laikipia, Kenya, Africa, September 2012

Ann & Steve Toon / Northern white rhino (Ceratotherium simum cottoni) female called Najin, watched over by armed guard, Ol Pejeta Conservancy, Laikipia, Kenya, Africa, September 2012

Jabruson / Armed Eco-Guard at National Park Headquarters at Camp Ma'an National Park, Southern Cameroon.

Ross Hoddinott / Land's End, late evening light over the Enys Dodnan Arch and the Armed Knight rock, with Longships lighthouse in the distance, Cornwall, UK. October 2012.

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

Staffan Widstrand / Wilderness trail guide Artist Ngwetha, iMfolozi National Park, South Africa 2011

Staffan Widstrand / Rifle of Wilderness trail guide Wayne Saunders, iMfolozi National Park, South Africa 2011

Staffan Widstrand / The anti poaching patrol, guards posing by vehicle. iMfolozi National Park, South Africa October 2011

Staffan Widstrand / The anti poaching patrol in action, walking across landscape, iMfolozi National Park, South Africa October 2011

Staffan Widstrand / The anti poaching patrol in action, iMfolozi National Park, South Africa October 2011

Enrique Lopez-Tapia / Armed guard in the Sundarbans national park. Tourist groups are accompanied by an armed guard as this area has the largest population of tigers in Asia, and also the highest number of tiger attacks on...

MYN / Carsten Krieger / Seven armed starfish (Luidia ciliaris) from rocky shore, County Clare, Republic of Ireland, August. meetyourneighbours.net project

Michele Westmorland / Long armed lobster, (Justitia longimana) St Vincent, West-Indies, Caribbean, May.

Michele Westmorland / Long armed / Red banded lobster (Justitia longimana). St Vincent, West-Indies, Caribbean, May.

Sue Daly / Seven Armed Starfish (Luidia ciliaris). Channel Islands, UK, July.

Juergen Freund / Armed anemone (Dofleina armata) Batangas, Philippines.

Juergen Freund / Armed anemone (Dofleina armata) Batangas, Philippines.

Adrian Davies / Military firing range Keep Out warning sign, in spring woodland, with carpet of Wild Garlic (Alium ursinum) Tyneham, Dorset, England.

Kristel Richard / A traditionally dressed Nihang (an armed Sikh soldier) standing on the backs of two galloping Nukra horses during the Maghi Mela festival, Mukstar, Punjab, India, January 2010

Kristel Richard / A traditionally dressed Nihang (an armed Sikh soldier) galloping with two Nukra horses during the Maghi Mela festival, Mukstar, Punjab, India, January 2010

Kristel Richard / A traditionally dressed Nihang (an armed Sikh soldier) riding his horse competing in a tent pegging competition during the Maghi Mela festival, Mukstar, Punjab, India, January 2010

Kristel Richard / A traditionally dressed Nihang (an armed Sikh soldier) riding his horse competing in a tent pegging competition during the Maghi Mela festival, Mukstar, Punjab, India, January 2010

Kristel Richard / A traditionally dressed Nihang (an armed Sikh soldier) riding his horse competing in a tent pegging competition during the Maghi Mela festival, Mukstar, Punjab, India, January 2010

Kristel Richard / A traditionally dressed Nihang (an armed Sikh soldier) mounted on his horse within another horse during the Maghi Mela festival, Mukstar, Punjab, India. January 2010

Kristel Richard / Domestic horse, a traditionally dressed Nihang (an armed Sikh soldier) mounted on his horse holding a spear during the Maghi Mela festival, Mukstar, Punjab, India. Janaury 2010

Kristel Richard / Domestic horse, close-up of naked feet in stirrups of a traditionally dressed Nihang (an armed Sikh soldier) mounted on his horse, during the Maghi Mela festival, Mukstar, Punjab, India. Janaury 2010

Kristel Richard / Domestic horse, a traditionally dressed Nihang (an armed Sikh soldier) sits next to his horse at their camp during the Maghi Mela festival, Mukstar, Punjab, India. January 2010

Kristel Richard / The five elders of the Nihangs (an armed Sikh order), traditionally dressed, stand in their camp during the Maghi Mela festival, Mukstar, Punjab, India. January 2010

Kristel Richard / Close-up of the naked foot in stirrups of a traditionally dressed Nihang (an armed Sikh soldier) mounted on his horse during the Maghi Mela festival, Mukstar, Punjab, India. January 2010

Kristel Richard / A traditionally dressed Nihang (an armed Sikh soldier) mounted on his Nukra horse, during the Maghi Mela festival, Mukstar, Punjab, India. January 2010

Uri Golman / Local hunter armed with rifle scouting for Polar Bear ( Ursus Maritimus) Ittoqqortoormiit, Scoresbysund, North East Greenland. March 2009.

Ross Hoddinott / Land's End, Cornwall, UK, at dawn - inc Longships lighthouse, The Armed Knight, Enys Dodnan and complex. February 2008.

Ross Hoddinott / Land's End, Cornwall, UK, at dawn - inc Longships lighthouse, The Armed Knight, Enys Dodnan and complex. February 2008.

GEORGETTE DOUWMA / Wonderpus (Octopus sp. 20) hunting over sandy bottom. A long-armed octopus, it lives in holes in the sand. Not yet a described species. North Sulawsesi, Indonesia

GEORGETTE DOUWMA / Long-armed octopus / Wonderpus (Octopus sp.) Unplaced species, with tentacles stretched out on seabed, Lembeh Strait, North Sulawesi, Indonesia

Andy Reisinger / Eleven-armed Sea Star (Coscinasterias calamaria) mass at low tide, Paparoa National Park, New Zealand

Pete Oxford / Peoples Armed Police Guard on duty at Tiananmen Square, Beijing, China 2006

PREMAPHOTOS / Caterpillar larvae of Moth (Dirphia molippa) heavily armed with stinging spines, rainforest, Trinidad

Ingo Arndt / Armed Bullhead (Agonus cataphractus) aproximately six centimeters, Helgoland, Germany

Piotr Naskrecki / Spinybacked Orb-weaver Spider (Gasteracantha cancriformis) their abdomen, or opisthosoma, is heavily sclerotized and armed with hard spines possibly to protect against birds and lizards, Dominican Rep...

Piotr Naskrecki / Spinybacked Orb-weaver Spider (Gasteracantha cancriformis) their abdomen, or opisthosoma, is heavily sclerotized and armed with hard spines possibly to protect against birds and lizards, Solomon Islan...

GEORGETTE DOUWMA / Long-armed octopus / Mimic octopus {Octopus sp.} releasing cloud of ink before darting into hole in the sand, Lembeh Strait, North Sulawesi, Indonesia.

GEORGETTE DOUWMA / Long-armed octopus / Wonderpus {Octopus sp.} Lembeh Strait, North Sulawesi, Indonesia.

GEORGETTE DOUWMA / Long-armed octopus / Wonderpus {Octopus sp.}Lembeh Strait, North Sulawesi, Indonesia.

Martha Holmes / Long armed lobster beneath sponge at night {Justitia longimana} Dominica, Caribbean.

Staffan Widstrand / Game warden examines map with armed rangers, Selous GR, Tanzania

Jeff Rotman / Long armed Octopus {Octopus macropus} Red Sea

Jeff Rotman / White spotted / Long armed octopus {Octopus macropus} parachutes down on prey, Red Sea

Jeff Rotman / White spotted / Long armed octopus {Octopus macropus} parachutes down on prey, Red Sea

Jeff Rotman / White spotted / Long armed octopus {Octopus macropus} swimming, Red Sea.

Jeff Rotman / White spotted / Long armed octopus {Octopus macropus} parachutes down on prey, Red Sea

Jeff Rotman / White spotted / Long armed octopus {Octopus macropus} parachutes down on prey, Red Sea

GEORGETTE DOUWMA / Long armed octopus {Octopus sp} spreads arms over burrows to trap animals, Sulawesi, Indonesi

Martha Holmes / Long-armed lobster at night (Justitia longimana) coral reef. Dominica, Caribbean

Nick Upton / Seven rayed (armed) starfish on seashore {Luidia ciliaris} Republic of Ireland

Anup Shah / Park wardens riding Indian elephant {Elephas maximus} Kaziranga NP, Assam, India

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

Paul D Stewart / Illustration of The British Museum in Montagu House, Great Russel (sic) Street. Engraved by William Henshall from a study by T.H. Shepherd. From Shepherd's series 'London and its Environs in the Ninet...

Paul D Stewart / Illustration of Gibbon (Hylobates lar), 1812 copperplate engraving of a 'lar or long armed ape' (gibbon) from Pantalogia New Cyclopedia, published by Sherwood and Co, Paternoster St. London. Few large...

Paul D Stewart / Woodcut illustration of sharks attacking a man, with a ray coming to help, with old colouring. From Gesner 'Icones Animalium' publ. Christof Froschover, Zurich, 1560. This scene is copied by Gesner fr...

Onne van der Wal / Armed with a bear rifle, a man explores a Hunter's cabin, well preserved by the cold Arctic conditions of Spitsbergen, Svalbard, Norway, 1998.

Roberto Rinaldi / Multi-armed sunstar on kelp leaf, Antarctica.

Roberto Rinaldi / Multi-armed sunstar (Asteroidea sp) with starfish, Antarctica.

Roberto Rinaldi / Multi-armed sunstar (Asteroidea genus) on a big kelp leaf, Antarctica.

Roberto Rinaldi / Grass octopus / long-armed octopus (Octopus macropus), Elba Island, Italy

Nick Turner / Armed members of the Mt Elgon Elephant Monitoring Team Mt Elgon NP Kenya. 2002