Adult Marine Tubeworm Hydroides elegans (image) University of Hawaii at Manoa Caption This is an adult marine tubeworm Hydroides elegans, a significant biofouling agent. Researchers at the University of Hawaii at Manoa and Caltech have discovered the genetic underpinnings of a biological trigger to tubeworm metamorphosis, which requires contact with with surface-bound bacteria. Credit University of Hawaii at Manoa, Kewalo Marine Laboratory Usage Restrictions For media use 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.