In the video, a blue and red fish is seen swimming in a tank. The fish is moving around the tank, which has a rock and plants inside. The fish appears to be healthy and active. The tank is well-maintained, with clear water and no visible debris. The fish's movements are smooth and graceful, and it seems to be enjoying its environment. The colors of the fish are vibrant, with the blue and red contrasting beautifully against the green of the plants and the brown of the rocks. The lighting in the tank is bright, highlighting the fish's features and the tank's decorations. Overall, the video captures a peaceful moment in the life of this fish, showcasing its beauty and the tranquility of its surroundings.