The video shows a fish swimming in a river. The water is clear and the fish is visible through the water. The fish is swimming near the bottom of the river, which is covered in rocks and pebbles. The fish is moving slowly and gracefully, and there are no other fish visible in the video. The light from the sun is reflecting off the water's surface, creating a shimmering effect. The fish appears to be alone in the river, and there are no other creatures or objects visible in the video.