The video shows a lionfish swimming in the water. The fish has brown and white stripes and is surrounded by green seaweed. The lionfish is moving slowly and appears to be exploring its surroundings. The water is clear, and the lighting is natural, suggesting that the video was taken in a natural habitat. The lionfish's fins are visible, and it seems to be in good health. The seaweed is swaying gently in the current. There are no other fish or creatures visible in the video.