The video shows a large yellow fish with stripes swimming in an aquarium. The fish has a long body and a pointed nose. It is swimming near the bottom of the aquarium, which is covered with sand. There are several smaller fish swimming around the aquarium, but they are not the focus of the video. The aquarium appears to be well-maintained, with clear water and no visible debris. The lighting in the aquarium highlights the yellow color of the fish, making it stand out against the darker background.