Living Comma Shrimp (IMAGE) Smithsonian Tropical Research Institute Caption This is a male comma shrimp (above) clasping a female in a pre-mate embrace with his large antennae. Credit Tom Radio 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.