Ancient octopuses may have been ocean giants that hunted at the very top of the food chain. Credit: AI/ScienceDaily.com Modern octopuses are known for their intelligence and flexibility, slipping through tight spaces, hiding in reefs, or drifting through the deep ocean. However, new research suggests their distant ancestors lived very differently. Scientists now believe that the earliest octopuses were not quiet, elusive creatures but massive predators that hunted at the very top of the marine