The video shows a group of fish in an aquarium. The fish are of different sizes and colors, including orange, white, and black. They are swimming around the tank, with some fish coming up to the surface of the water. The fish are moving around in different directions, creating a lively and dynamic scene. The aquarium appears to be well-maintained, with clear water and no visible debris. The lighting in the tank highlights the vibrant colors of the fish, making them stand out against the darker background of the aquarium. Overall, the video captures the beauty and diversity of the fish in their environment.