The video is a sequence of images showing a large, dark-colored octopus swimming in the ocean. The octopus has long tentacles that are spread out as it moves through the water. The background is a blurred blue-green color, indicating that the video was taken underwater. The octopus appears to be the only creature in the frame, and there are no other objects or creatures visible. The octopus's movements are slow and graceful, and it seems to be exploring its surroundings.