Pier turtle floats just above the waterline of your aquarium that allows your pet to rest and eat out of the water. It allows for more interaction and display near his favorite friend. Pier rests on four trucks that bind with suction cups on the bottom of the tank. these supports can be adjusted without deposits as low as 3 inches for water or up to 16 inches for water tanks. Easy ramp coupling allows the turtle easily climb to the top level.