This is an animated video of a group of dolphins swimming in the ocean. The dolphins are grey in color and have a streamlined shape with a dorsal fin on their backs. They are swimming in a coordinated manner, with some dolphins leading and others following. The ocean is depicted in shades of blue and green, with a sandy bottom and patches of seaweed. There are also rocks and coral formations visible in the background. The video is bright and colorful, with a playful and whimsical tone.