The alligator snapping turtle is a huge aquatic species which has a significantly huge head (when compared with other species of turtles). The carapace (higher shell) has 3 popular ridges — 1 along the center line and 1 on both side. There is an additional row of scutes (sexy scales) https://franciscotbpwh.blogs100.com/28621046/the-definitive-guide-to-orange-eye-parson-s-chameleon