The video shows a close-up of a cuttlefish swimming in the ocean. The cuttlefish has a brown body with white spots and a white underbelly. It has eight arms and two tentacles that it uses to move around. The cuttlefish is seen swimming near a coral reef, which is visible in the background. The water is clear, and the lighting is natural, suggesting that the video was taken during the day. The cuttlefish appears to be exploring its surroundings, moving its arms and tentacles in a fluid motion.