The video shows an octopus swimming in the ocean, surrounded by coral reefs. The octopus is seen moving its tentacles around, exploring its surroundings. The coral reefs are colorful and provide a beautiful backdrop for the octopus's movements. The octopus's skin is a deep red color, and it has eight tentacles that it uses to navigate through the water. The video captures the octopus's graceful movements as it explores the ocean floor.