Octopus hunts crab (video) Cell Press Share Print E-Mail Loading video... Caption This video shows an octopus hunting a crab and its tank. Credit Peter Kilian Usage Restrictions Credit Required. Share Print E-Mail 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.