The video shows a fish tank with a variety of green plants and rocks. The water is clear and there is a single fish swimming around. The fish appears to be a Betta fish, known for its vibrant colors and flowing fins. The plants are of different shapes and sizes, some with long leaves and others with round leaves. The rocks are of various sizes and colors, adding to the natural look of the tank. The lighting in the tank highlights the greenery and the fish, creating a serene underwater scene.