视频展示了一条在水族馆中游动的鱼。这条鱼的身体呈长条形，皮肤上有许多鳞片，颜色为深褐色和黄色相间。它的头部较长，嘴巴尖锐，眼睛较小。鱼在水中缓慢地游动，背景是模糊的绿色植物和其他鱼类。整个场景给人一种宁静而神秘的感觉。
The video shows an arapaima, a large freshwater fish, swimming in an aquarium. The fish has a long, slender body with a distinctive pattern of dark and light scales. It moves gracefully through the water, its fins gently propelling it forward. The background is filled with other fish and aquatic plants, creating a vibrant underwater scene. The lighting highlights the texture and coloration of the arapaima's scales, making it stand out against the greenish-blue water.
A fish with a long, pointed snout and a body covered in large, overlapping scales is swimming from the right side of the frame to the left. The background is a greenish-blue underwater environment, with some indistinct shapes and possibly other fish or objects in the distance. The fish's body undulates smoothly as it moves, and its fins are visible, aiding its propulsion through the water.