sea turtles can see in the dark. They don't have night vision to see clearly in the dark, but once their eyes adjust in the dark, they see things more in red coloured shadows because they have Tapetum lucidum in their eyes which is known as the redness gene.
Sea turtles are the most adapted species, apart from their shells. Another feature that distinguishes them from other cold-blooded reptiles is their teeth, so do turtles have teeth