Sea Snakes Locked out of Atlantic (IMAGE) Florida Museum of Natural History Caption Sea snakes are locked out of the Atlantic by the Isthmus of Panama and cold, dry conditions to the west of the Cape of Good Hope, say University of Florida researchers. Credit Coleman Sheehy Usage Restrictions Please credit Coleman Sheehy 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.