The video shows a fish swimming in a body of water. The fish is dark in color and is swimming near the bottom of the water, which is filled with rocks and pebbles. The water is clear, and the fish is the only visible living creature in the video. The fish moves slowly and gracefully, navigating through the rocks and pebbles with ease. The video provides a close-up view of the fish, allowing the viewer to see its features and movements in detail. The fish appears to be healthy and is likely searching for food or exploring its habitat. The video does not contain any human activity or artificial objects, and the focus is solely on the fish and its natural environment.