The video shows a fish tank with a bubbler in the background. There are several fish swimming around, and the water is clear. The tank is decorated with rocks, plants, and a cave. The fish are of different sizes and colors, and they swim around the tank in a calm and peaceful manner. The bubbler is turned on, creating a soothing sound and providing oxygen to the fish. The plants are green and healthy, and the cave provides a hiding spot for the fish. The rocks are of various sizes and colors, adding to the aesthetic of the tank. Overall, the video captures a serene and beautiful underwater scene.