This video is a cartoon animation of a sea creature, specifically a jellyfish, swimming in the ocean. The jellyfish has a purple body and long, thin tentacles that are orange in color. The background consists of a blue ocean with rocks and other sea creatures visible in the distance. The jellyfish moves gracefully through the water, with its tentacles swaying gently. The animation is smooth and the colors are vibrant, making for an enjoyable viewing experience.