In the video, a small black animal is seen walking on a concrete floor. The animal has a long tail and is walking in front of a large aquarium tank. The tank is filled with water and has a variety of fish swimming in it. The fish are of different sizes and colors, and the tank is decorated with rocks and plants. The animal appears to be curious and is looking around as it walks. The lighting in the room is dim, and the focus is on the animal and the aquarium.