The video shows a red and black fish swimming in a fish tank. The fish is seen swimming around the tank, occasionally approaching the camera. The tank is filled with water and has a sandy bottom. There are also some rocks in the tank. The fish has a distinctive appearance with its bright red color and black stripes. The fish moves gracefully through the water, occasionally turning and twisting its body. The lighting in the tank highlights the fish's colors and the sandy bottom. The video captures the peaceful and serene environment of the fish tank.