AmericanLlobster (<i>Homarus americanus</i>) 3 (IMAGE) Proceedings of the National Academy of Sciences Caption This is an American lobster (Homarus americanus). Credit Image courtesy of Gulf of Maine Research Institute. 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.