The video features a group of goldfish swimming in an aquarium. The fish come in various colors, including orange, white, and black. They are of different sizes and shapes, some with long flowing fins and others with shorter, more compact fins. The fish are seen swimming around the tank, occasionally coming close to the camera and providing a clear view of their features. 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.