The video shows a large white fish swimming in an aquarium with other fish. The fish has a long body and a pointed nose, and it moves slowly through the water. The aquarium is well-lit, and the water is clear, allowing for a good view of the fish and their surroundings. There are other fish in the aquarium, including some with bright colors and patterns. The white fish is the main focus of the video, and it is seen swimming around the tank, occasionally interacting with the other fish.