The video shows a close-up of a fish swimming in an aquarium. The fish is small and has a long body with a pointed nose. It is swimming among green plants that are growing in the aquarium. The plants are lush and vibrant, with broad leaves that are slightly wavy at the edges. The fish moves gracefully through the water, its body undulating smoothly as it navigates the plants. The aquarium appears to be well-maintained, with clear water and no visible debris. The lighting in the aquarium highlights the colors of the fish and the plants, creating a serene and peaceful scene.