Octopus (IMAGE) NOAA National Marine Sanctuary Program Caption This is a small octopus, hidden between rocks. They range in size. The largest octopus, North Pacific Octopus, can grow over 30 feet. And the smallest octopus, Californian, can be less than an inch. Credit Photographer: Joe Heath Usage Restrictions Contact Michael Murphy for copyright permission License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.