The video shows a fish swimming in an aquarium. The fish is moving around the tank, and the camera follows its movements. The aquarium is filled with green plants, and the fish is swimming among them. The fish has a long body and is mostly grey in color, with some white stripes on its sides. The plants in the aquarium are lush and green, and they sway gently in the water. The fish appears to be healthy and active, and it moves smoothly through the water. The aquarium is well-lit, and the water is clear, allowing for a good view of the fish and the plants.