The video shows an aquarium with various fish swimming around. The fish are of different sizes and colors, including orange and black. There are also plants in the aquarium, including ferns and moss, which add to the natural look of the scene. The aquarium appears to be well-maintained and clean, with clear water and no visible debris. The fish are swimming calmly, and there is no aggressive behavior observed. The lighting in the aquarium is bright, highlighting the vibrant colors of the fish and plants.