The video shows a yellow fish swimming in a tank. The fish is surrounded by rocks and plants. The fish is moving around the tank, and the camera follows its movements. The fish appears to be healthy and active. The tank is well-maintained, with clear water and no visible debris. The fish's scales are shiny, and its fins are intact. The plants in the tank are green and appear to be growing well. The rocks are of various sizes and shapes, and they are placed throughout the tank. The lighting in the tank is bright, and the water is clear, allowing for a good view of the fish and its surroundings.