The video features a vibrant blue fish swimming in an aquarium. The fish is surrounded by various types of coral and rocks, creating a colorful and lively underwater scene. The fish moves gracefully through the water, exploring its surroundings and interacting with the coral and rocks. The colors of the fish and the coral are vivid and bright, adding to the overall beauty of the scene. The aquarium appears to be well-maintained, with clear water and healthy-looking coral. The fish seems to be the only living creature in the aquarium, making it the focal point of the video.