The video shows a close-up of a fish tank with a green fish swimming around. The fish is seen swimming near a yellow object and a plant with small leaves. The tank is filled with small bubbles, and the water is clear. The fish appears to be healthy and active, moving around the tank with ease. The plant is green and appears to be well-maintained. The yellow object is not clearly identifiable but seems to be a part of the tank decoration. The bubbles are scattered throughout the tank, indicating a well-aerated environment for the fish.