The video shows a fish tank with a purple fish swimming around. The fish is seen swimming near the bottom of the tank, which is covered with pebbles. There are also plants and rocks in the tank, creating a natural habitat for the fish. The fish appears to be healthy and active, moving smoothly through the water. The tank is well-maintained, with clear water and no visible debris. The lighting in the tank highlights the vibrant colors of the fish and the plants, creating a visually appealing scene.