Inside Sea Slug Digestive System (IMAGE) Rutgers University Caption This microscopic image shows stolen algal plastids (in green) and lipids from algae (in yellow) inside the sea slug's digestive system. Credit Karen N. Pelletreau/University of Maine 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.