Sponge Host Bacteria (VIDEO) University of California - San Diego This video is under embargo. Please login to access this video. Caption Researchers uncover that marine sponges host bacteria that produce natural flame retardant-like compounds toxic to humans. Credit Scripps Oceanography/UC San Diego 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.