This video showcases a group of fish swimming in an aquarium. The aquarium is decorated with various types of plants and rocks, creating a natural habitat for the fish. The fish are of different sizes and colors, with some being larger and more vibrant than others. They swim gracefully around the tank, occasionally darting towards the camera. The water is clear, allowing for a good view of the fish and their surroundings. The lighting in the aquarium highlights the colors of the fish and the greenery of the plants. Overall, the video provides a serene and captivating view of these aquatic creatures in their environment.