The video shows a fish tank with several fish swimming around. The fish are of different colors, including orange, green, and black. They are swimming around the tank, which is filled with water and has a black background. The fish are of different sizes and shapes, and they seem to be swimming in different directions. The tank appears to be well-maintained, with no visible debris or algae. The lighting in the tank is bright, highlighting the colors of the fish and the tank's decorations.