The video shows a group of turtles in a glass tank. The turtles are of different sizes and are swimming in the water. The tank is filled with water, and the turtles are moving around in it. The turtles have dark shells and are of various sizes. The water in the tank is clear, and the turtles are moving around in it. The tank is made of glass, and the turtles are swimming around in it. The video is shot from above the tank, and the turtles are moving around in the water.