The video shows a small fish swimming in the water. The fish is brown in color and has a long body. It is swimming near the bottom of the water, where there is sand and small rocks. The fish is moving its fins and tail to navigate through the water. The water is clear, and the light from above is shining through, illuminating the fish and the surrounding area. The fish seems to be alone, and there are no other fish or creatures visible in the video. The fish's movements are smooth and graceful, and it appears to be exploring its surroundings.