Darkad Due to their intelligence, octopuses are stated in a few nations as experimental animals on which surgical treatment may not be executed without having anesthesia, a safety generally prolonged only to vertebrates. [168] In 2017 a German firm manufactured an arm that has a tender pneumatically managed silicone gripper http://010-4742-266669257.yomoblog.com/793649/the-smart-trick-of-octopus-that-no-one-is-discussing