The video shows a black and white Betta fish swimming in an aquarium. The fish has long, flowing fins and tail, and it moves gracefully through the water. The aquarium is decorated with green plants and a piece of driftwood, providing a natural habitat for the fish. The Betta fish appears to be healthy and well-cared for, with vibrant colors and clear fins. The video captures the fish from different angles, highlighting its beauty and the serene environment of the aquarium.