A deep-sea octopod wraps itself around a submersible’s robotic arm 2,300 meters (7,546 feet) down in the Gulf of Mexico. "Most octopuses will let you get close, maybe even touch them, but normally they'll try to run once the manipulator gets close," said Bruce Strickrott, pilot of the submersible Alvin. Explore more octopod content and learn more in our Deep Ocean Exploration section.