视频展示了一条黑白相间的鱼在水族箱中游动的场景。这条鱼的身体上有明显的黑色条纹，它正在用嘴吸食水底的沙子。背景中可以看到一些绿色的水草和岩石，营造出一个自然的水下环境。鱼的动作缓慢而优雅，显示出它在水中觅食的行为。
The video shows a black and white striped fish swimming in an aquarium. The fish is moving its mouth as if it is eating or sifting through the substrate. The background features green aquatic plants and rocks, creating a natural underwater environment. The fish appears to be exploring the area around the rocks and plants.
A fish with black and white stripes is swimming in an aquarium, surrounded by rocks and green aquatic plants. The fish opens its mouth and expels a small bubble. It then turns its head slightly downward and moves closer to the rock. The fish continues to move its head downward, appearing to inspect or interact with the rock. Finally, the fish stops moving and remains still near the rock, with its fins slightly moving.