King Crabs Threaten Antarctic Ecosystem (VIDEO) Florida Institute of Technology This video is under embargo. Please login to access this video. Caption Because of the warming ocean, king crabs may soon become high-level predators in Antarctic marine ecosystems where they haven't played a role in tens of millions of years. Credit Dena Headlee/National Science Foundation Usage Restrictions None 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.