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Description
Zooming closer with the cameras on the ROV, we can see frozen sulphurrivulets covering the rocks. Molten sulphur at high temperature is black whilethe yellow sulphur indicates a lower temperature when molten. Diffuse ventfluids in the area promote the growth of bacteria, attracting dense populationsof shrimp that graze on the food source. (Image credit: NOAA Okeanos Explorer Program, INDEX-SATAL 2010, NOAA/OER)