The video shows a group of stingrays swimming in a large tank of water. The tank is blue in color and has a white border at the top. The water is murky and has a greenish-brown color. The stingrays are of different sizes and are swimming around in the water. Some of them are close to the surface while others are near the bottom of the tank. The stingrays have a flat body with a long tail and are mostly dark in color.