Roombia (IMAGE) American Museum of Natural History Caption These microscope images (top) and line drawings (bottom) show a Roombia cell feeding on an alga called Mantionella. Credit © AMNH/J. Burns Usage Restrictions Can be used with appropriate credit 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.