The video shows a group of goldfish swimming in an aquarium. The aquarium has a sandy bottom and is decorated with rocks and plants. The goldfish are of different sizes and colors, including orange, white, and black. They are seen swimming around the tank, sometimes coming close to the camera. The water is clear, and bubbles can be seen in the background, indicating the presence of an air pump. The lighting in the aquarium is bright, highlighting the vibrant colors of the fish.