The video shows a blue octopus swimming in the ocean. The octopus is seen moving its tentacles and changing its shape as it navigates through the water. The surrounding environment is filled with colorful coral and plants, creating a vibrant underwater scene. The octopus's movements are fluid and graceful, and it appears to be exploring its surroundings. The video captures the beauty and complexity of marine life, highlighting the unique abilities of the octopus to adapt and interact with its environment.