Crayweed Habitat (image) University of New South Wales Caption This is a natural Phyllospora comosa habitat. Researchers have successfully transplanted this once thriving seaweed back onto reefs in Sydney where it vanished decades ago. Credit UNSW Usage Restrictions None 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.