Octopus is the most famous sea creature because it has eight arms and a round head. Some other fun facts: They have three hearts and blue blood; They spray ink to prevent predators; And without bones, they can enter (or outside) narrow spaces.





















Octopus is the most famous sea creature because it has eight arms and a round head. Some other fun facts: They have three hearts and blue blood; They spray ink to prevent predators; And without bones, they can enter (or outside) narrow spaces.