Coral reefs host millions of bacteria, revealing Earth’s hidden biodiversity
Sampling at just 99 Pacific Ocean reefs identified half a million varieties of bacteria
![Two scuba divers investigating a coral reef](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2023/06/053123_eg_coralbacteria_feat.jpg?fit=1030%2C580&ssl=1)
Researchers collect samples from a coral reef as part of the Tara Pacific Expedition, an effort to document biodiversity in reefs across the ocean.
Pete West/Tara Ocean Foundation