Largest ever octopus was great white shark of invertebrate predators
A reconstruction of the giant octopus Yohei Utsuki/Department of Earth and Planetary Sciences, Hokkaido University While dinosaurs ruled the land, Cretaceous oceans were home to a fierce and enormous octopus species that may have reached up to 19 metres in length, rivalling the size of the largest predators of the time, including sharks and marine…