image
Microbial Mat

While microbial mats at methane seeps, like this one, are home to many microbes, deep-sea sediment has a billion bacteria in every milliliter of mud, whether at a seep or in the middle of the ocean.

Learn more

Credit

Image courtesy of A. Thurber, Oregon State University, OCNMS, NOAA OER, and Ocean Exploration Trust: NA-121.