Atlantic Molly (IMAGE) North Carolina State University Caption A cave-dwelling Atlantic molly doesn't mind the darkness, but its surface-dwelling cousins have trouble reproducing and sustaining life in the dark. Credit Rudiger Riesch 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.