The video features a jellyfish with a translucent body and long tentacles. The jellyfish is seen floating in the water, moving its tentacles around. The background is dark, emphasizing the jellyfish's movements. The jellyfish appears to be alone, with no other creatures visible in the video. The jellyfish's body pulsates as it moves, and its tentacles trail behind it. The video captures the jellyfish from various angles, providing a detailed view of its structure and movement.