In the video, a person is seen swimming in a pool with several large fish. The person is wearing a wetsuit and is swimming underwater, while the fish are swimming around and above them. The water is clear, and the lighting is dim, creating a serene underwater atmosphere. The person appears to be moving slowly and gracefully, while the fish swim around them with ease. The fish are of various sizes and colors, and they seem to be comfortable in the presence of the person. The person's movements are deliberate and controlled, suggesting that they are experienced in swimming with fish. The video captures the unique interaction between humans and marine life, highlighting the beauty and tranquility of underwater exploration.