The gain pacific octopus or the Enteroctopus dofleini has a beak as shown left, and uses its muscular system within its tentacles to obtain varieties of food and propel itself through the ocean. Like the squid, the Giant Pacific octopus' tentacles are extremely powerful, and in the video shown below can open a jar with ease.
The image above, the video, and the image to the left were obtained from http://aczoowiki.wikispaces.com/aczoo12
The image above, the video, and the image to the left were obtained from http://aczoowiki.wikispaces.com/aczoo12