The video shows a jellyfish with a red body and long tentacles floating in the water. The jellyfish is the only visible creature in the video, and it moves slowly and gracefully through the water. The background is dark, and the jellyfish's red color stands out against the darkness. The jellyfish's tentacles move gently in the water, and its body pulsates as it moves. There are no other objects or creatures visible in the video, and the jellyfish is the main focus of the footage.