The video shows a small fish with a silver body and black stripes swimming in a tank. The fish has a long, thin tail and is seen swimming around a plant with long, thin leaves. The plant appears to be a type of seaweed or algae, and the fish seems to be exploring it. The tank is well-lit, and the water is clear, allowing for a good view of the fish and the plant. The fish moves gracefully, and its movements are smooth and effortless. The plant sways gently with the water's current, creating a calming and serene atmosphere.