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.

Chris Mattison / Thai water dragon (Physignathus cocincinus) on white background, South East Asia.