David Noton / Athabasca River with Dragon Peak and the Winston Churchill Range at dawn, Jasper National Park, Alberta, Canada. September 2009

David Noton / Athabasca River with Dragon Peak and the Winston Churchill Range at dawn, Jasper National Park, Alberta, Canada. September 2009

Heather Angel / Travertine terrace in karst landscape. Huanglong / Yellow Dragon Scenic World Heritage Site, south Minshan range, Sichuan Province, China. 2007.

Heather Angel / Travertine terrace, part of karst landscape, woodland in background. Huanglong Scenic World Heritage Site, south Minshan range, Sichuan Province, China.

Robert Valentic / Chinese water dragon (Physignathus cocincinus) male from a small stream flowing through karst rainforest within the Phong Nha-Ke Bang National Park, central Vietnam. Dry season.

David Perpinan / Stomatitis in a captive Chinese water dragon (Physignathus cocincinus). This is a common condition in captive water dragons, as they are nervous and hit themselves against glass.

Franco Banfi / Tourist on the boat feeding Piraputanga (Brycon hilarii) Aqua¡rio Natural, Bonito, Mato Grosso do Sul, Brazil

David Kjaer / Chinese Water Dragon (Physignathus cocincinus) climbing branch, captive

David Kjaer / Chinese Water Dragon (Physignathus cocincinus) on palm leaf, captive

Jerry Monkman / Whitewater rafting down Dragon's Tooth rapid on the Deerfield River in Rowe, Massachusetts, USA. Dryway run, Class IV. September 2006

Rod Williams / Eastern Water Dragons (Physignathus leseuri) Burleigh Heads, South Queensland, Australia, March

Mark Carwardine / Chinese / Thailand water dragon (Physignathus cocincinus) captive, from SE Asia