The video shows a large aquarium with several fish swimming around. The fish are of different sizes and colors, with some having bright yellow tails and others with blue and green hues. The aquarium is well-lit, and the fish are moving around freely. The camera focuses on one particular fish that has a white body with blue and yellow accents. The fish swims up to the glass of the aquarium and looks directly at the camera, giving the viewer a close-up view of its face and fins.