The video features a close-up of a fish tank with several small fish swimming around. The fish are light-colored with dark stripes and have small fins. The tank is decorated with various shells and rocks, creating a natural habitat for the fish. The water is clear, and the lighting is bright, highlighting the fish and their surroundings. The fish move gracefully through the water, occasionally darting in and out of the shells. The video captures the peaceful and serene environment of the fish tank.