The video shows a fish tank with a large fish swimming around. The fish has a spotted pattern on its body and is moving around the tank. The tank is filled with water and has rocks and plants inside. The fish seems to be exploring its surroundings and looking for food. The lighting in the tank is bright, making the fish's colors stand out. The fish moves gracefully through the water, its fins and tail moving in a coordinated manner. The tank appears to be well-maintained, with clean water and no visible algae or debris.