The video shows a close-up view of the underside of a stingray swimming in an aquarium. The stingray is light gray and has small, dark eyes and a slit-like mouth that gives the impression of a smile. There are rows of small, round gill slits on either side of its mouth. The water in the aquarium is greenish, and a few small fish can be seen swimming in the background. The lighting is bright, and there are some reflections on the glass of the aquarium.