The video shows an octopus swimming in the ocean. The octopus is seen moving its tentacles and body as it navigates through the water. The ocean floor is visible in the background, with rocks and other marine life. The octopus appears to be exploring its surroundings, and at one point, it seems to be interacting with a fish. The video is shot in high definition, capturing the details of the octopus's movements and the surrounding environment.