Bloom of Sulfide-Oxidizing Phototrophs in Brackish Lagoon (image) Marine Biological Laboratory Share Print E-Mail Caption A MBL Microbial Diversity course student sampling at Trunk River lagoon, Falmouth, Mass. The yellow patch at left is a natural bloom of sulfide-oxidizing phototrophs. Credit Elise Cowley Usage Restrictions Please use with proper restrictions Share Print E-Mail 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.