Steller Sea Lions in Arctic (IMAGE) University of California - Davis Caption Melting sea ice is connecting marine mammals, like these Steller sea lions, that were formerly separated by ice, opening pathways of disease transmission. Credit NOAA Fisheries, Polar Ecosystems Program Usage Restrictions Provide credit. 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.