The video shows a group of fish swimming around in an aquarium. The fish are of different colors, including yellow, blue, and white. They are swimming around rocks and plants in the tank. The water is clear and the lighting is bright, making the colors of the fish stand out. The fish seem to be healthy and active, moving around the tank with ease. The aquarium appears to be well-maintained, with clean water and a variety of decorations for the fish to explore. Overall, the video captures the beauty and diversity of the fish in their habitat.