The alligator snapping turtle is a large aquatic species having a noticeably substantial head (as compared with other species of turtles). The carapace (higher shell) has three prominent ridges — 1 together the center line and 1 on both aspect. You can find an extra row of scutes (attractive scales) https://alligatorsnappingturtle74481.blogozz.com/27835809/the-definitive-guide-to-orange-eye-parson-s-chameleon