In March 2007, the marine biologists, headed by Bruce Robison from the Monterey Bay Aquarium Research Institute, used a remotely-operated vehicle to visit a deep sea site in the Monterey Submarine Canyon off of central California. At 1,397 meters (4,583 feet) deep they came on a female Graneledone boreopacifica protecting a brood of its eggs. A month earlier, when the ROV had visited the same site, the octopus hadn’t been there…