27/02/2023
It may appear to be an unfeeling shield of bone, but the shell of the Hawaiian green sea turtle is covered in living skin and needs to be looked after. Many types of fish, such as the striking yellow tang fish, line up to clean algae from their shells, acting like a sort of ‘fish car wash’. The turtles even adopt a specific, ‘standing on tiptoe’ posture, so every inch of them can be dealt with.