The video shows a large aquarium filled with water and various types of fish. The fish are swimming around in the water, and there are plants and other decorations in the tank. The camera pans around the tank, giving a view of the different fish and their movements. The colors of the fish vary, with some being bright and colorful, while others are more subdued. The plants in the tank are green and appear to be healthy. The water is clear, and the lighting in the tank highlights the fish and plants.