The video shows a group of fish swimming around in an aquarium. The fish are of different colors and sizes, and they are swimming around the coral reefs and plants in the tank. The water is clear, and the lighting is bright, highlighting the vibrant colors of the fish and the coral. The fish seem to be healthy and active, and they are swimming in different directions, some near the surface and others near the bottom of the tank. The coral reefs and plants are in various shades of green, purple, and pink, and they provide a beautiful backdrop for the fish. The video is shot from a fixed angle, and the camera does not move, allowing the viewer to focus on the fish and their movements.