The video shows a yellow fish swimming in an aquarium. The fish is bright yellow in color and has a sleek, streamlined body. It swims gracefully through the water, its fins moving smoothly as it navigates around the tank. The aquarium is decorated with rocks and coral, creating a natural habitat for the fish. The lighting in the tank highlights the fish's vibrant color and the intricate details of the aquarium decor. The fish appears to be healthy and active, exploring its surroundings with curiosity.