The video shows several fish swimming around in an aquarium. The fish are of different sizes and colors, and they are swimming around a wooden stick that is in the tank. The water is clear, and there are plants and rocks visible in the background. The fish are moving around calmly, and there is no visible aggression or stress among them. The lighting in the tank is bright, and the fish are well-lit, allowing for a clear view of their features. The aquarium appears to be well-maintained, with clean water and healthy-looking fish.