The first time I have seen one of these in the wild – great yellow patterning around the head area helps its camouflage. Also known as Chinese Three-keeled Pond Turtle (in this shot you can clearly see the three keels (lines) across the shell). Shirachiko Lake, Shimabara, Nagasaki, Kyushu, Japan.
Canon EOS 7D, EF300mm f/2.8L IS USM + 1.4x (420mm)
1/640 sec at f/4; ISO 100