Dancing at a depth of around 1,600 meters (5,250 feet), this elegant octopus measures an estimated 1.3 m (4.2 ft) long and entertained our watch team for more than five minutes. “It’s really putting on a show for us,” said a researcher as the cephalopod made its way toward Hercules’ camera, expanding its billowing arms like a circus tent blowing in the wind. Experts believe the octopus belongs t