The video shows a close-up of a jellyfish. The jellyfish has a clear, gelatinous body with a pinkish-red hue. It has several long, thin tentacles that are spread out in all directions. The jellyfish is moving slowly, and the tentacles are gently swaying. The background is dark, which contrasts with the jellyfish's body, making it stand out. There are no other objects or creatures visible in the video.