Blue Octopus > I just learned that the plural of octopus is not octopuses or octopi, but it is octopodes from the Greek, not a Latin word first. Well, I'm not going to go back and change anything. The first two are acceptable in dictionaries.
Blanket Octopus: is 2 meters long with an enormous cape behind it. The octopus is the only animal immune to the stings of the man of war jellyfish. It can rip off the stingers of the jellyfish and use it as a whip.
Amphioctopus marginatus, also known as the Coconut Octopus and veined octopus, is a medium-sized cephalopod belonging to the genus Amphioctopus. It is found in tropical waters of the western Pacific Ocean.