The video shows a large fish swimming in a body of water. The fish has a pinkish-red body with a darker head and fins. It is swimming near the bottom of the water, which is covered in rocks and green plants. The water is clear, and the fish is the only visible creature in the video. The fish moves slowly and gracefully, its fins undulating as it navigates through the water. The lighting is natural, and the overall atmosphere is peaceful and serene.