A close-up shot of a yellow and black fish swimming in an aquarium with green plants in the background. The fish has a yellow body with black spots and a black stripe running along its side, and its fins are translucent. It swims from right to left, its mouth opening and closing as it moves. The background is filled with green plants, some of which are out of focus. The lighting is bright and even, with no harsh shadows or highlights. The camera is handheld and tracks the fish as it swims.