David Shale / Deep sea Anglerfish {Himantolophus sp} female with lure projecting from head to attract prey, Atlantic ocean. Anglerfish have small poorly developed eyes but detect movement and prey through a well de...

Jane Burton / Siamese fighting fish {Betta splendens} two males in lateral display, captive, freshwater, from Malaysia and Thailand

Juergen Freund / Two Pearly nautilus {Nautilus pompilius} Sulu-sulawesi seas, Indo-pacific. Fills shell with water to sink and expells water to rise, lateral movement by jet propulsion

Ann & Steve Toon / Nyala (Tragelaphus angasii), bulls lateral presentation display, Mkhuze Game Reserve, South Africa

Richard Du Toit / Nyala ram (Tragelaphus angasi) lateral display, Zululand, South Africa, October

David Shale / Lateral view of deepsea Yeti crab (Kiwa sp) from Dragon vent field, Indian Ocean, November 2011

David Shale / Lateral view of deepsea Yeti crab (Kiwa sp) from Dragon vent field, Indian Ocean, November 2011

Kristel Richard / Young boy riding a Kathiawari mare, in reval (a natural lateral pace), Gujarat, India, January 2011

Hiroya Minakuchi / Glacier showing lateral, medial, and terminal moraine in glacial valley, Alaska

Hiroya Minakuchi / Glacier showing lateral and medial moraines in glacial valley, Alaska

Alex Hyde / Lateral water snake {Bibilava lateralis}, moving through leaf litter on rainforest floor, Andasibe-Mantadia National Park, Madagascar.

Kristel Richard / A young Indian man rides a rare and traditionally dressed Kathiawari mare in revaal (a lateral gait), in Gadhada, Gujarat, India. 2010

Kristel Richard / An Indian man rides a rare and traditionally dressed Kathiawari mare in revaal (a lateral gait), in Gadhada, Gujarat, India. 2010

Philippe Clement / Lateral moraines of the reducing Moiry Glacier, Pennine Alps, Valais, Switzerland, July 2009

Philippe Clement / Close up of Rayed trough shell (Mactra stultorum cinerea / Mactra corallina cinerea) showing umbo, cardinal teeth, lateral teeth and hinge plate, Belgium

Matthias Breiter / Salmon Glacier showing lateral moraines spills down from the Coast Range near Hyder, Alaska

Jane Burton / Siamese fighting fish {Betta splendens} two males in lateral display, captive, freshwater, from Malaysia and Thailand

Jane Burton / Siamese fighting fish {Betta splendens} two males in lateral display, captive, freshwater, from Malaysia and Thailand

David Shale / Lateral view of Krill {Euphausiacea} mid atlantic ridge, 100-150m at night

David Shale / Lateral view of Krill {Euphausiacea} mid atlantic ridge, 100-150m at night

Thomas Marent / Aletsch Glacier moving through the Swiss Alps showing lateral and medial moraines, Wallis, Switzerland

Flip Nicklin / Aerial view of receding glacier in glacial valley showing lateral moraines on either side, southeast Alaska

Doug Wechsler / Pickerel frog tadpole {Rana palustris} Maryland, USA, note lateral line

David Shale / Lateral view of Deepsea mysid / opossum shrimp (Boreomysis sp), deep sea Atlantic ocean

Doug Perrine / Male Sand tiger shark showing claspers and lateral line {Carcharias taurus} Grey nurse

David Shale / Lateral view of Deepsea mysid / opossum shrimp (Boreomysis sp), deep sea Atlantic ocean

Konrad Wothe / Aletsch Glacier moving through the Swiss Alps showing lateral and medial moraines, Wallis, Switzerland

Jim Brandenburg / Glacier flowing between the Chigmit Mountains showing glacial valley, medial and lateral moraines, Lake Clark National Park and Preserve, Alaska

Matthias Breiter / Rock avalanche above Dart Glacier showing glacial cirque and lateral moraine, Cascade Saddle Trek, Mt. Aspiring National Park, South Island, New Zealand

Juergen Freund / Close up of siphon of Pearly nautilus {Nautilus pompilius} Sulu-sulawesi seas. Used to fill shell with water to sink and expell water to rise, lateral movement by jet propulsion

Hiroya Minakuchi / Glacier showing lateral and medial moraines in glacial valley, Alaska

Hiroya Minakuchi / Glacier showing lateral and medial moraines in glacial valley, Alaska